70983380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{21001}}^1$

素因数の和:21036

約数の個数: 36

約数和(自身を含む): 161421372

約数和(自身を除く): 90437992

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 21001, 42002, 84004, 105005, 210010, 273013, 420020, 546026, 1092052, 1365065, 2730130, 3549169, 5460260, 7098338, 14196676, 17745845, 35491690, 70983380]

約数ペア:

[(1, 70983380), (2, 35491690), (4, 17745845), (5, 14196676), (10, 7098338), (13, 5460260), (20, 3549169), (26, 2730130), (52, 1365065), (65, 1092052), (130, 546026), (169, 420020), (260, 273013), (338, 210010), (676, 105005), (845, 84004), (1690, 42002), (3380, 21001)]