42715280

素因数分解:

$2^4\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1049}}^1$

素因数の和:1571

約数の個数: 40

約数和(自身を含む): 99603000

約数和(自身を除く): 56887720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 509, 1018, 1049, 2036, 2098, 2545, 4072, 4196, 5090, 5245, 8144, 8392, 10180, 10490, 16784, 20360, 20980, 40720, 41960, 83920, 533941, 1067882, 2135764, 2669705, 4271528, 5339410, 8543056, 10678820, 21357640, 42715280]

約数ペア:

[(1, 42715280), (2, 21357640), (4, 10678820), (5, 8543056), (8, 5339410), (10, 4271528), (16, 2669705), (20, 2135764), (40, 1067882), (80, 533941), (509, 83920), (1018, 41960), (1049, 40720), (2036, 20980), (2098, 20360), (2545, 16784), (4072, 10490), (4196, 10180), (5090, 8392), (5245, 8144)]