40606640

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1873}}^1$

素因数の和:2157

約数の個数: 40

約数和(自身を含む): 94809408

約数和(自身を除く): 54202768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1355, 1873, 2168, 2710, 3746, 4336, 5420, 7492, 9365, 10840, 14984, 18730, 21680, 29968, 37460, 74920, 149840, 507583, 1015166, 2030332, 2537915, 4060664, 5075830, 8121328, 10151660, 20303320, 40606640]

約数ペア:

[(1, 40606640), (2, 20303320), (4, 10151660), (5, 8121328), (8, 5075830), (10, 4060664), (16, 2537915), (20, 2030332), (40, 1015166), (80, 507583), (271, 149840), (542, 74920), (1084, 37460), (1355, 29968), (1873, 21680), (2168, 18730), (2710, 14984), (3746, 10840), (4336, 9365), (5420, 7492)]