3977740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15299}}^1$

素因数の和:15321

約数の個数: 24

約数和(自身を含む): 8996400

約数和(自身を除く): 5018660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 15299, 30598, 61196, 76495, 152990, 198887, 305980, 397774, 795548, 994435, 1988870, 3977740]

約数ペア:

[(1, 3977740), (2, 1988870), (4, 994435), (5, 795548), (10, 397774), (13, 305980), (20, 198887), (26, 152990), (52, 76495), (65, 61196), (130, 30598), (260, 15299)]