71562640

素因数分解:

$2^4\times 5^1\times {\mathrm{811}}^1\times {\mathrm{1103}}^1$

素因数の和:1927

約数の個数: 40

約数和(自身を含む): 166739328

約数和(自身を除く): 95176688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 811, 1103, 1622, 2206, 3244, 4055, 4412, 5515, 6488, 8110, 8824, 11030, 12976, 16220, 17648, 22060, 32440, 44120, 64880, 88240, 894533, 1789066, 3578132, 4472665, 7156264, 8945330, 14312528, 17890660, 35781320, 71562640]

約数ペア:

[(1, 71562640), (2, 35781320), (4, 17890660), (5, 14312528), (8, 8945330), (10, 7156264), (16, 4472665), (20, 3578132), (40, 1789066), (80, 894533), (811, 88240), (1103, 64880), (1622, 44120), (2206, 32440), (3244, 22060), (4055, 17648), (4412, 16220), (5515, 12976), (6488, 11030), (8110, 8824)]