165266840

素因数分解:

$2^3\times 5^1\times {\mathrm{1867}}^1\times {\mathrm{2213}}^1$

素因数の和:4091

約数の個数: 32

約数和(自身を含む): 372217680

約数和(自身を除く): 206950840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1867, 2213, 3734, 4426, 7468, 8852, 9335, 11065, 14936, 17704, 18670, 22130, 37340, 44260, 74680, 88520, 4131671, 8263342, 16526684, 20658355, 33053368, 41316710, 82633420, 165266840]

約数ペア:

[(1, 165266840), (2, 82633420), (4, 41316710), (5, 33053368), (8, 20658355), (10, 16526684), (20, 8263342), (40, 4131671), (1867, 88520), (2213, 74680), (3734, 44260), (4426, 37340), (7468, 22130), (8852, 18670), (9335, 17704), (11065, 14936)]