156716680

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{6959}}^1$

素因数の和:7533

約数の個数: 32

約数和(自身を含む): 353289600

約数和(自身を除く): 196572920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 1126, 2252, 2815, 4504, 5630, 6959, 11260, 13918, 22520, 27836, 34795, 55672, 69590, 139180, 278360, 3917917, 7835834, 15671668, 19589585, 31343336, 39179170, 78358340, 156716680]

約数ペア:

[(1, 156716680), (2, 78358340), (4, 39179170), (5, 31343336), (8, 19589585), (10, 15671668), (20, 7835834), (40, 3917917), (563, 278360), (1126, 139180), (2252, 69590), (2815, 55672), (4504, 34795), (5630, 27836), (6959, 22520), (11260, 13918)]