402051280

素因数分解:

$2^4\times 5^1\times {\mathrm{359}}^1\times {\mathrm{13999}}^1$

素因数の和:14371

約数の個数: 40

約数和(自身を含む): 937440000

約数和(自身を除く): 535388720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359, 718, 1436, 1795, 2872, 3590, 5744, 7180, 13999, 14360, 27998, 28720, 55996, 69995, 111992, 139990, 223984, 279980, 559960, 1119920, 5025641, 10051282, 20102564, 25128205, 40205128, 50256410, 80410256, 100512820, 201025640, 402051280]

約数ペア:

[(1, 402051280), (2, 201025640), (4, 100512820), (5, 80410256), (8, 50256410), (10, 40205128), (16, 25128205), (20, 20102564), (40, 10051282), (80, 5025641), (359, 1119920), (718, 559960), (1436, 279980), (1795, 223984), (2872, 139990), (3590, 111992), (5744, 69995), (7180, 55996), (13999, 28720), (14360, 27998)]