28103540

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{19249}}^1$

素因数の和:19331

約数の個数: 24

約数和(自身を含む): 59829000

約数和(自身を除く): 31725460

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 19249, 38498, 76996, 96245, 192490, 384980, 1405177, 2810354, 5620708, 7025885, 14051770, 28103540]

約数ペア:

[(1, 28103540), (2, 14051770), (4, 7025885), (5, 5620708), (10, 2810354), (20, 1405177), (73, 384980), (146, 192490), (292, 96245), (365, 76996), (730, 38498), (1460, 19249)]