80742064

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{388183}}^1$

素因数の和:388204

約数の個数: 20

約数和(自身を含む): 168471856

約数和(自身を除く): 87729792

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 388183, 776366, 1552732, 3105464, 5046379, 6210928, 10092758, 20185516, 40371032, 80742064]

約数ペア:

[(1, 80742064), (2, 40371032), (4, 20185516), (8, 10092758), (13, 6210928), (16, 5046379), (26, 3105464), (52, 1552732), (104, 776366), (208, 388183)]