2038421120

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{809}}^1$

素因数の和:986

約数の個数: 128

約数和(自身を含む): 5076172800

約数和(自身を除く): 3037751680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 127, 128, 155, 160, 248, 254, 310, 320, 496, 508, 620, 635, 640, 809, 992, 1016, 1240, 1270, 1618, 1984, 2032, 2480, 2540, 3236, 3937, 3968, 4045, 4064, 4960, 5080, 6472, 7874, 8090, 8128, 9920, 10160, 12944, 15748, 16180, 16256, 19685, 19840, 20320, 25079, 25888, 31496, 32360, 39370, 40640, 50158, 51776, 62992, 64720, 78740, 81280, 100316, 102743, 103552, 125395, 125984, 129440, 157480, 200632, 205486, 250790, 251968, 258880, 314960, 401264, 410972, 501580, 503936, 513715, 517760, 629920, 802528, 821944, 1003160, 1027430, 1259840, 1605056, 1643888, 2006320, 2054860, 2519680, 3185033, 3210112, 3287776, 4012640, 4109720, 6370066, 6575552, 8025280, 8219440, 12740132, 13151104, 15925165, 16050560, 16438880, 25480264, 31850330, 32877760, 50960528, 63700660, 65755520, 101921056, 127401320, 203842112, 254802640, 407684224, 509605280, 1019210560, 2038421120]

約数ペア:

[(1, 2038421120), (2, 1019210560), (4, 509605280), (5, 407684224), (8, 254802640), (10, 203842112), (16, 127401320), (20, 101921056), (31, 65755520), (32, 63700660), (40, 50960528), (62, 32877760), (64, 31850330), (80, 25480264), (124, 16438880), (127, 16050560), (128, 15925165), (155, 13151104), (160, 12740132), (248, 8219440), (254, 8025280), (310, 6575552), (320, 6370066), (496, 4109720), (508, 4012640), (620, 3287776), (635, 3210112), (640, 3185033), (809, 2519680), (992, 2054860), (1016, 2006320), (1240, 1643888), (1270, 1605056), (1618, 1259840), (1984, 1027430), (2032, 1003160), (2480, 821944), (2540, 802528), (3236, 629920), (3937, 517760), (3968, 513715), (4045, 503936), (4064, 501580), (4960, 410972), (5080, 401264), (6472, 314960), (7874, 258880), (8090, 251968), (8128, 250790), (9920, 205486), (10160, 200632), (12944, 157480), (15748, 129440), (16180, 125984), (16256, 125395), (19685, 103552), (19840, 102743), (20320, 100316), (25079, 81280), (25888, 78740), (31496, 64720), (32360, 62992), (39370, 51776), (40640, 50158)]