31997360

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{5479}}^1$

素因数の和:5565

約数の個数: 40

約数和(自身を含む): 75426720

約数和(自身を除く): 43429360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5479, 5840, 10958, 21916, 27395, 43832, 54790, 87664, 109580, 219160, 399967, 438320, 799934, 1599868, 1999835, 3199736, 3999670, 6399472, 7999340, 15998680, 31997360]

約数ペア:

[(1, 31997360), (2, 15998680), (4, 7999340), (5, 6399472), (8, 3999670), (10, 3199736), (16, 1999835), (20, 1599868), (40, 799934), (73, 438320), (80, 399967), (146, 219160), (292, 109580), (365, 87664), (584, 54790), (730, 43832), (1168, 27395), (1460, 21916), (2920, 10958), (5479, 5840)]