125142320

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{19801}}^1$

素因数の和:19893

約数の個数: 40

約数和(自身を含む): 294653760

約数和(自身を除く): 169511440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 19801, 39602, 79204, 99005, 158408, 198010, 316816, 396020, 792040, 1564279, 1584080, 3128558, 6257116, 7821395, 12514232, 15642790, 25028464, 31285580, 62571160, 125142320]

約数ペア:

[(1, 125142320), (2, 62571160), (4, 31285580), (5, 25028464), (8, 15642790), (10, 12514232), (16, 7821395), (20, 6257116), (40, 3128558), (79, 1584080), (80, 1564279), (158, 792040), (316, 396020), (395, 316816), (632, 198010), (790, 158408), (1264, 99005), (1580, 79204), (3160, 39602), (6320, 19801)]