28790450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{44293}}^1$

素因数の和:44318

約数の個数: 24

約数和(自身を含む): 57670788

約数和(自身を除く): 28880338

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 44293, 88586, 221465, 442930, 575809, 1107325, 1151618, 2214650, 2879045, 5758090, 14395225, 28790450]

約数ペア:

[(1, 28790450), (2, 14395225), (5, 5758090), (10, 2879045), (13, 2214650), (25, 1151618), (26, 1107325), (50, 575809), (65, 442930), (130, 221465), (325, 88586), (650, 44293)]