28576860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36637}}^1$

素因数の和:36662

約数の個数: 48

約数和(自身を含む): 86172576

約数和(自身を除く): 57595716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 36637, 73274, 109911, 146548, 183185, 219822, 366370, 439644, 476281, 549555, 732740, 952562, 1099110, 1428843, 1905124, 2198220, 2381405, 2857686, 4762810, 5715372, 7144215, 9525620, 14288430, 28576860]

約数ペア:

[(1, 28576860), (2, 14288430), (3, 9525620), (4, 7144215), (5, 5715372), (6, 4762810), (10, 2857686), (12, 2381405), (13, 2198220), (15, 1905124), (20, 1428843), (26, 1099110), (30, 952562), (39, 732740), (52, 549555), (60, 476281), (65, 439644), (78, 366370), (130, 219822), (156, 183185), (195, 146548), (260, 109911), (390, 73274), (780, 36637)]