8125940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 17875200

約数和(自身を除く): 9749260

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 79, 139, 148, 158, 185, 278, 316, 370, 395, 556, 695, 740, 790, 1390, 1580, 2780, 2923, 5143, 5846, 10286, 10981, 11692, 14615, 20572, 21962, 25715, 29230, 43924, 51430, 54905, 58460, 102860, 109810, 219620, 406297, 812594, 1625188, 2031485, 4062970, 8125940]

約数ペア:

[(1, 8125940), (2, 4062970), (4, 2031485), (5, 1625188), (10, 812594), (20, 406297), (37, 219620), (74, 109810), (79, 102860), (139, 58460), (148, 54905), (158, 51430), (185, 43924), (278, 29230), (316, 25715), (370, 21962), (395, 20572), (556, 14615), (695, 11692), (740, 10981), (790, 10286), (1390, 5846), (1580, 5143), (2780, 2923)]