68171720

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{8923}}^1$

素因数の和:9125

約数の個数: 32

約数和(自身を含む): 154206720

約数和(自身を除く): 86035000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 8923, 17846, 35692, 44615, 71384, 89230, 178460, 356920, 1704293, 3408586, 6817172, 8521465, 13634344, 17042930, 34085860, 68171720]

約数ペア:

[(1, 68171720), (2, 34085860), (4, 17042930), (5, 13634344), (8, 8521465), (10, 6817172), (20, 3408586), (40, 1704293), (191, 356920), (382, 178460), (764, 89230), (955, 71384), (1528, 44615), (1910, 35692), (3820, 17846), (7640, 8923)]