39499960

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{3671}}^1$

素因数の和:3951

約数の個数: 32

約数和(自身を含む): 89229600

約数和(自身を除く): 49729640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2690, 3671, 5380, 7342, 10760, 14684, 18355, 29368, 36710, 73420, 146840, 987499, 1974998, 3949996, 4937495, 7899992, 9874990, 19749980, 39499960]

約数ペア:

[(1, 39499960), (2, 19749980), (4, 9874990), (5, 7899992), (8, 4937495), (10, 3949996), (20, 1974998), (40, 987499), (269, 146840), (538, 73420), (1076, 36710), (1345, 29368), (2152, 18355), (2690, 14684), (3671, 10760), (5380, 7342)]