28644220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{130201}}^1$

素因数の和:130221

約数の個数: 24

約数和(自身を含む): 65621808

約数和(自身を除く): 36977588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 130201, 260402, 520804, 651005, 1302010, 1432211, 2604020, 2864422, 5728844, 7161055, 14322110, 28644220]

約数ペア:

[(1, 28644220), (2, 14322110), (4, 7161055), (5, 5728844), (10, 2864422), (11, 2604020), (20, 1432211), (22, 1302010), (44, 651005), (55, 520804), (110, 260402), (220, 130201)]