55257540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{70843}}^1$

素因数の和:70868

約数の個数: 48

約数和(自身を含む): 166625088

約数和(自身を除く): 111367548

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, 70843, 141686, 212529, 283372, 354215, 425058, 708430, 850116, 920959, 1062645, 1416860, 1841918, 2125290, 2762877, 3683836, 4250580, 4604795, 5525754, 9209590, 11051508, 13814385, 18419180, 27628770, 55257540]

約数ペア:

[(1, 55257540), (2, 27628770), (3, 18419180), (4, 13814385), (5, 11051508), (6, 9209590), (10, 5525754), (12, 4604795), (13, 4250580), (15, 3683836), (20, 2762877), (26, 2125290), (30, 1841918), (39, 1416860), (52, 1062645), (60, 920959), (65, 850116), (78, 708430), (130, 425058), (156, 354215), (195, 283372), (260, 212529), (390, 141686), (780, 70843)]