61957220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7687}}^1$

素因数の和:7740

約数の個数: 48

約数和(自身を含む): 144657408

約数和(自身を除く): 82700188

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 7687, 8060, 15374, 30748, 38435, 76870, 99931, 153740, 199862, 238297, 399724, 476594, 499655, 953188, 999310, 1191485, 1998620, 2382970, 3097861, 4765940, 6195722, 12391444, 15489305, 30978610, 61957220]

約数ペア:

[(1, 61957220), (2, 30978610), (4, 15489305), (5, 12391444), (10, 6195722), (13, 4765940), (20, 3097861), (26, 2382970), (31, 1998620), (52, 1191485), (62, 999310), (65, 953188), (124, 499655), (130, 476594), (155, 399724), (260, 238297), (310, 199862), (403, 153740), (620, 99931), (806, 76870), (1612, 38435), (2015, 30748), (4030, 15374), (7687, 8060)]