31680610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{643}}^1$

素因数の和:1042

約数の個数: 32

約数和(自身を含む): 61669440

約数和(自身を除く): 29988830

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 379, 643, 758, 1286, 1895, 3215, 3790, 4927, 6430, 8359, 9854, 16718, 24635, 41795, 49270, 83590, 243697, 487394, 1218485, 2436970, 3168061, 6336122, 15840305, 31680610]

約数ペア:

[(1, 31680610), (2, 15840305), (5, 6336122), (10, 3168061), (13, 2436970), (26, 1218485), (65, 487394), (130, 243697), (379, 83590), (643, 49270), (758, 41795), (1286, 24635), (1895, 16718), (3215, 9854), (3790, 8359), (4927, 6430)]