172623940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{1607}}^1$

素因数の和:1788

約数の個数: 48

約数和(自身を含む): 374419584

約数和(自身を除く): 201795644

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 131, 164, 205, 262, 410, 524, 655, 820, 1310, 1607, 2620, 3214, 5371, 6428, 8035, 10742, 16070, 21484, 26855, 32140, 53710, 65887, 107420, 131774, 210517, 263548, 329435, 421034, 658870, 842068, 1052585, 1317740, 2105170, 4210340, 8631197, 17262394, 34524788, 43155985, 86311970, 172623940]

約数ペア:

[(1, 172623940), (2, 86311970), (4, 43155985), (5, 34524788), (10, 17262394), (20, 8631197), (41, 4210340), (82, 2105170), (131, 1317740), (164, 1052585), (205, 842068), (262, 658870), (410, 421034), (524, 329435), (655, 263548), (820, 210517), (1310, 131774), (1607, 107420), (2620, 65887), (3214, 53710), (5371, 32140), (6428, 26855), (8035, 21484), (10742, 16070)]