74481640

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{6871}}^1$

素因数の和:7153

約数の個数: 32

約数和(自身を含む): 168226560

約数和(自身を除く): 93744920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 6871, 10840, 13742, 27484, 34355, 54968, 68710, 137420, 274840, 1862041, 3724082, 7448164, 9310205, 14896328, 18620410, 37240820, 74481640]

約数ペア:

[(1, 74481640), (2, 37240820), (4, 18620410), (5, 14896328), (8, 9310205), (10, 7448164), (20, 3724082), (40, 1862041), (271, 274840), (542, 137420), (1084, 68710), (1355, 54968), (2168, 34355), (2710, 27484), (5420, 13742), (6871, 10840)]