40135160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{977}}^1$

素因数の和:1080

約数の個数: 64

約数和(自身を含む): 98582400

約数和(自身を除く): 58447240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 395, 520, 632, 790, 977, 1027, 1580, 1954, 2054, 3160, 3908, 4108, 4885, 5135, 7816, 8216, 9770, 10270, 12701, 19540, 20540, 25402, 39080, 41080, 50804, 63505, 77183, 101608, 127010, 154366, 254020, 308732, 385915, 508040, 617464, 771830, 1003379, 1543660, 2006758, 3087320, 4013516, 5016895, 8027032, 10033790, 20067580, 40135160]

約数ペア:

[(1, 40135160), (2, 20067580), (4, 10033790), (5, 8027032), (8, 5016895), (10, 4013516), (13, 3087320), (20, 2006758), (26, 1543660), (40, 1003379), (52, 771830), (65, 617464), (79, 508040), (104, 385915), (130, 308732), (158, 254020), (260, 154366), (316, 127010), (395, 101608), (520, 77183), (632, 63505), (790, 50804), (977, 41080), (1027, 39080), (1580, 25402), (1954, 20540), (2054, 19540), (3160, 12701), (3908, 10270), (4108, 9770), (4885, 8216), (5135, 7816)]