127755160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{245683}}^1$

素因数の和:245707

約数の個数: 32

約数和(自身を含む): 309561840

約数和(自身を除く): 181806680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 245683, 491366, 982732, 1228415, 1965464, 2456830, 3193879, 4913660, 6387758, 9827320, 12775516, 15969395, 25551032, 31938790, 63877580, 127755160]

約数ペア:

[(1, 127755160), (2, 63877580), (4, 31938790), (5, 25551032), (8, 15969395), (10, 12775516), (13, 9827320), (20, 6387758), (26, 4913660), (40, 3193879), (52, 2456830), (65, 1965464), (104, 1228415), (130, 982732), (260, 491366), (520, 245683)]