125440220

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{14969}}^1$

素因数の和:15397

約数の個数: 24

約数和(自身を含む): 264070800

約数和(自身を除く): 138630580

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 4190, 8380, 14969, 29938, 59876, 74845, 149690, 299380, 6272011, 12544022, 25088044, 31360055, 62720110, 125440220]

約数ペア:

[(1, 125440220), (2, 62720110), (4, 31360055), (5, 25088044), (10, 12544022), (20, 6272011), (419, 299380), (838, 149690), (1676, 74845), (2095, 59876), (4190, 29938), (8380, 14969)]