80733260

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1381}}^1$

素因数の和:1506

約数の個数: 48

約数和(自身を含む): 176453760

約数和(自身を除く): 95720500

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 79, 148, 158, 185, 316, 370, 395, 740, 790, 1381, 1580, 2762, 2923, 5524, 5846, 6905, 11692, 13810, 14615, 27620, 29230, 51097, 58460, 102194, 109099, 204388, 218198, 255485, 436396, 510970, 545495, 1021940, 1090990, 2181980, 4036663, 8073326, 16146652, 20183315, 40366630, 80733260]

約数ペア:

[(1, 80733260), (2, 40366630), (4, 20183315), (5, 16146652), (10, 8073326), (20, 4036663), (37, 2181980), (74, 1090990), (79, 1021940), (148, 545495), (158, 510970), (185, 436396), (316, 255485), (370, 218198), (395, 204388), (740, 109099), (790, 102194), (1381, 58460), (1580, 51097), (2762, 29230), (2923, 27620), (5524, 14615), (5846, 13810), (6905, 11692)]