201025640

素因数分解:

$2^3\times 5^1\times {\mathrm{359}}^1\times {\mathrm{13999}}^1$

素因数の和:14369

約数の個数: 32

約数和(自身を含む): 453600000

約数和(自身を除く): 252574360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 359, 718, 1436, 1795, 2872, 3590, 7180, 13999, 14360, 27998, 55996, 69995, 111992, 139990, 279980, 559960, 5025641, 10051282, 20102564, 25128205, 40205128, 50256410, 100512820, 201025640]

約数ペア:

[(1, 201025640), (2, 100512820), (4, 50256410), (5, 40205128), (8, 25128205), (10, 20102564), (20, 10051282), (40, 5025641), (359, 559960), (718, 279980), (1436, 139990), (1795, 111992), (2872, 69995), (3590, 55996), (7180, 27998), (13999, 14360)]