2020095760

素因数分解:

$2^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{72353}}^1$

素因数の和:72715

約数の個数: 40

約数和(自身を含む): 4710245400

約数和(自身を除く): 2690149640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349, 698, 1396, 1745, 2792, 3490, 5584, 6980, 13960, 27920, 72353, 144706, 289412, 361765, 578824, 723530, 1157648, 1447060, 2894120, 5788240, 25251197, 50502394, 101004788, 126255985, 202009576, 252511970, 404019152, 505023940, 1010047880, 2020095760]

約数ペア:

[(1, 2020095760), (2, 1010047880), (4, 505023940), (5, 404019152), (8, 252511970), (10, 202009576), (16, 126255985), (20, 101004788), (40, 50502394), (80, 25251197), (349, 5788240), (698, 2894120), (1396, 1447060), (1745, 1157648), (2792, 723530), (3490, 578824), (5584, 361765), (6980, 289412), (13960, 144706), (27920, 72353)]