39793640

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{3671}}^1$

素因数の和:3953

約数の個数: 32

約数和(自身を含む): 89890560

約数和(自身を除く): 50096920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 3671, 5420, 7342, 10840, 14684, 18355, 29368, 36710, 73420, 146840, 994841, 1989682, 3979364, 4974205, 7958728, 9948410, 19896820, 39793640]

約数ペア:

[(1, 39793640), (2, 19896820), (4, 9948410), (5, 7958728), (8, 4974205), (10, 3979364), (20, 1989682), (40, 994841), (271, 146840), (542, 73420), (1084, 36710), (1355, 29368), (2168, 18355), (2710, 14684), (3671, 10840), (5420, 7342)]