4005715840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{28843}}^1$

素因数の和:28900

約数の個数: 128

約数和(自身を含む): 11297617920

約数和(自身を除く): 7291902080

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, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3472, 3968, 4340, 4480, 4960, 6944, 8680, 9920, 13888, 17360, 19840, 27776, 28843, 34720, 57686, 69440, 115372, 138880, 144215, 201901, 230744, 288430, 403802, 461488, 576860, 807604, 894133, 922976, 1009505, 1153720, 1615208, 1788266, 1845952, 2019010, 2307440, 3230416, 3576532, 3691904, 4038020, 4470665, 4614880, 6258931, 6460832, 7153064, 8076040, 8941330, 9229760, 12517862, 12921664, 14306128, 16152080, 17882660, 18459520, 25035724, 25843328, 28612256, 31294655, 32304160, 35765320, 50071448, 57224512, 62589310, 64608320, 71530640, 100142896, 114449024, 125178620, 129216640, 143061280, 200285792, 250357240, 286122560, 400571584, 500714480, 572245120, 801143168, 1001428960, 2002857920, 4005715840]

約数ペア:

[(1, 4005715840), (2, 2002857920), (4, 1001428960), (5, 801143168), (7, 572245120), (8, 500714480), (10, 400571584), (14, 286122560), (16, 250357240), (20, 200285792), (28, 143061280), (31, 129216640), (32, 125178620), (35, 114449024), (40, 100142896), (56, 71530640), (62, 64608320), (64, 62589310), (70, 57224512), (80, 50071448), (112, 35765320), (124, 32304160), (128, 31294655), (140, 28612256), (155, 25843328), (160, 25035724), (217, 18459520), (224, 17882660), (248, 16152080), (280, 14306128), (310, 12921664), (320, 12517862), (434, 9229760), (448, 8941330), (496, 8076040), (560, 7153064), (620, 6460832), (640, 6258931), (868, 4614880), (896, 4470665), (992, 4038020), (1085, 3691904), (1120, 3576532), (1240, 3230416), (1736, 2307440), (1984, 2019010), (2170, 1845952), (2240, 1788266), (2480, 1615208), (3472, 1153720), (3968, 1009505), (4340, 922976), (4480, 894133), (4960, 807604), (6944, 576860), (8680, 461488), (9920, 403802), (13888, 288430), (17360, 230744), (19840, 201901), (27776, 144215), (28843, 138880), (34720, 115372), (57686, 69440)]