138166640

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{6373}}^1$

素因数の和:6657

約数の個数: 40

約数和(自身を含む): 322473408

約数和(自身を除く): 184306768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1355, 2168, 2710, 4336, 5420, 6373, 10840, 12746, 21680, 25492, 31865, 50984, 63730, 101968, 127460, 254920, 509840, 1727083, 3454166, 6908332, 8635415, 13816664, 17270830, 27633328, 34541660, 69083320, 138166640]

約数ペア:

[(1, 138166640), (2, 69083320), (4, 34541660), (5, 27633328), (8, 17270830), (10, 13816664), (16, 8635415), (20, 6908332), (40, 3454166), (80, 1727083), (271, 509840), (542, 254920), (1084, 127460), (1355, 101968), (2168, 63730), (2710, 50984), (4336, 31865), (5420, 25492), (6373, 21680), (10840, 12746)]