57907640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{206813}}^1$

素因数の和:206831

約数の個数: 32

約数和(自身を含む): 148906080

約数和(自身を除く): 90998440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 206813, 413626, 827252, 1034065, 1447691, 1654504, 2068130, 2895382, 4136260, 5790764, 7238455, 8272520, 11581528, 14476910, 28953820, 57907640]

約数ペア:

[(1, 57907640), (2, 28953820), (4, 14476910), (5, 11581528), (7, 8272520), (8, 7238455), (10, 5790764), (14, 4136260), (20, 2895382), (28, 2068130), (35, 1654504), (40, 1447691), (56, 1034065), (70, 827252), (140, 413626), (280, 206813)]