20140788040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1\times {\mathrm{25741}}^1$

素因数の和:26414

約数の個数: 64

約数和(自身を含む): 46854558720

約数和(自身を除く): 26713770680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 631, 1240, 1262, 2524, 3155, 5048, 6310, 12620, 19561, 25240, 25741, 39122, 51482, 78244, 97805, 102964, 128705, 156488, 195610, 205928, 257410, 391220, 514820, 782440, 797971, 1029640, 1595942, 3191884, 3989855, 6383768, 7979710, 15959420, 16242571, 31918840, 32485142, 64970284, 81212855, 129940568, 162425710, 324851420, 503519701, 649702840, 1007039402, 2014078804, 2517598505, 4028157608, 5035197010, 10070394020, 20140788040]

約数ペア:

[(1, 20140788040), (2, 10070394020), (4, 5035197010), (5, 4028157608), (8, 2517598505), (10, 2014078804), (20, 1007039402), (31, 649702840), (40, 503519701), (62, 324851420), (124, 162425710), (155, 129940568), (248, 81212855), (310, 64970284), (620, 32485142), (631, 31918840), (1240, 16242571), (1262, 15959420), (2524, 7979710), (3155, 6383768), (5048, 3989855), (6310, 3191884), (12620, 1595942), (19561, 1029640), (25240, 797971), (25741, 782440), (39122, 514820), (51482, 391220), (78244, 257410), (97805, 205928), (102964, 195610), (128705, 156488)]