8149830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20897}}^1$

素因数の和:20920

約数の個数: 32

約数和(自身を含む): 21065184

約数和(自身を除く): 12915354

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 20897, 41794, 62691, 104485, 125382, 208970, 271661, 313455, 543322, 626910, 814983, 1358305, 1629966, 2716610, 4074915, 8149830]

約数ペア:

[(1, 8149830), (2, 4074915), (3, 2716610), (5, 1629966), (6, 1358305), (10, 814983), (13, 626910), (15, 543322), (26, 313455), (30, 271661), (39, 208970), (65, 125382), (78, 104485), (130, 62691), (195, 41794), (390, 20897)]