2581960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3797}}^1$

素因数の和:3825

約数の個数: 32

約数和(自身を含む): 6152760

約数和(自身を除く): 3570800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 3797, 7594, 15188, 18985, 30376, 37970, 64549, 75940, 129098, 151880, 258196, 322745, 516392, 645490, 1290980, 2581960]

約数ペア:

[(1, 2581960), (2, 1290980), (4, 645490), (5, 516392), (8, 322745), (10, 258196), (17, 151880), (20, 129098), (34, 75940), (40, 64549), (68, 37970), (85, 30376), (136, 18985), (170, 15188), (340, 7594), (680, 3797)]