63877580

素因数分解:

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

素因数の和:245705

約数の個数: 24

約数和(自身を含む): 144462192

約数和(自身を除く): 80584612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 245683, 491366, 982732, 1228415, 2456830, 3193879, 4913660, 6387758, 12775516, 15969395, 31938790, 63877580]

約数ペア:

[(1, 63877580), (2, 31938790), (4, 15969395), (5, 12775516), (10, 6387758), (13, 4913660), (20, 3193879), (26, 2456830), (52, 1228415), (65, 982732), (130, 491366), (260, 245683)]