4000021760

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{14401}}^1$

素因数の和:14460

約数の個数: 144

約数和(自身を含む): 11304072192

約数和(自身を除く): 7304050432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1280, 1736, 1792, 1984, 2170, 2240, 2480, 3472, 3968, 4340, 4480, 4960, 6944, 7936, 8680, 8960, 9920, 13888, 14401, 17360, 19840, 27776, 28802, 34720, 39680, 55552, 57604, 69440, 72005, 100807, 115208, 138880, 144010, 201614, 230416, 277760, 288020, 403228, 446431, 460832, 504035, 576040, 806456, 892862, 921664, 1008070, 1152080, 1612912, 1785724, 1843328, 2016140, 2232155, 2304160, 3125017, 3225824, 3571448, 3686656, 4032280, 4464310, 4608320, 6250034, 6451648, 7142896, 8064560, 8928620, 9216640, 12500068, 12903296, 14285792, 15625085, 16129120, 17857240, 18433280, 25000136, 25806592, 28571584, 31250170, 32258240, 35714480, 50000272, 57143168, 62500340, 64516480, 71428960, 100000544, 114286336, 125000680, 129032960, 142857920, 200001088, 250001360, 285715840, 400002176, 500002720, 571431680, 800004352, 1000005440, 2000010880, 4000021760]

約数ペア:

[(1, 4000021760), (2, 2000010880), (4, 1000005440), (5, 800004352), (7, 571431680), (8, 500002720), (10, 400002176), (14, 285715840), (16, 250001360), (20, 200001088), (28, 142857920), (31, 129032960), (32, 125000680), (35, 114286336), (40, 100000544), (56, 71428960), (62, 64516480), (64, 62500340), (70, 57143168), (80, 50000272), (112, 35714480), (124, 32258240), (128, 31250170), (140, 28571584), (155, 25806592), (160, 25000136), (217, 18433280), (224, 17857240), (248, 16129120), (256, 15625085), (280, 14285792), (310, 12903296), (320, 12500068), (434, 9216640), (448, 8928620), (496, 8064560), (560, 7142896), (620, 6451648), (640, 6250034), (868, 4608320), (896, 4464310), (992, 4032280), (1085, 3686656), (1120, 3571448), (1240, 3225824), (1280, 3125017), (1736, 2304160), (1792, 2232155), (1984, 2016140), (2170, 1843328), (2240, 1785724), (2480, 1612912), (3472, 1152080), (3968, 1008070), (4340, 921664), (4480, 892862), (4960, 806456), (6944, 576040), (7936, 504035), (8680, 460832), (8960, 446431), (9920, 403228), (13888, 288020), (14401, 277760), (17360, 230416), (19840, 201614), (27776, 144010), (28802, 138880), (34720, 115208), (39680, 100807), (55552, 72005), (57604, 69440)]