25487540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{587}}^1$

素因数の和:776

約数の個数: 48

約数和(自身を含む): 58084992

約数和(自身を除く): 32597452

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 167, 260, 334, 587, 668, 835, 1174, 1670, 2171, 2348, 2935, 3340, 4342, 5870, 7631, 8684, 10855, 11740, 15262, 21710, 30524, 38155, 43420, 76310, 98029, 152620, 196058, 392116, 490145, 980290, 1274377, 1960580, 2548754, 5097508, 6371885, 12743770, 25487540]

約数ペア:

[(1, 25487540), (2, 12743770), (4, 6371885), (5, 5097508), (10, 2548754), (13, 1960580), (20, 1274377), (26, 980290), (52, 490145), (65, 392116), (130, 196058), (167, 152620), (260, 98029), (334, 76310), (587, 43420), (668, 38155), (835, 30524), (1174, 21710), (1670, 15262), (2171, 11740), (2348, 10855), (2935, 8684), (3340, 7631), (4342, 5870)]