126791240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{102251}}^1$

素因数の和:102293

約数の個数: 32

約数和(自身を含む): 294485760

約数和(自身を除く): 167694520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 102251, 204502, 409004, 511255, 818008, 1022510, 2045020, 3169781, 4090040, 6339562, 12679124, 15848905, 25358248, 31697810, 63395620, 126791240]

約数ペア:

[(1, 126791240), (2, 63395620), (4, 31697810), (5, 25358248), (8, 15848905), (10, 12679124), (20, 6339562), (31, 4090040), (40, 3169781), (62, 2045020), (124, 1022510), (155, 818008), (248, 511255), (310, 409004), (620, 204502), (1240, 102251)]