12980360

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1699}}^1$

素因数の和:1901

約数の個数: 32

約数和(自身を含む): 29376000

約数和(自身を除く): 16395640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1699, 1910, 3398, 3820, 6796, 7640, 8495, 13592, 16990, 33980, 67960, 324509, 649018, 1298036, 1622545, 2596072, 3245090, 6490180, 12980360]

約数ペア:

[(1, 12980360), (2, 6490180), (4, 3245090), (5, 2596072), (8, 1622545), (10, 1298036), (20, 649018), (40, 324509), (191, 67960), (382, 33980), (764, 16990), (955, 13592), (1528, 8495), (1699, 7640), (1910, 6796), (3398, 3820)]