25503140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2087}}^1$

素因数の和:2156

約数の個数: 48

約数和(自身を含む): 58931712

約数和(自身を除く): 33428572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2087, 2444, 3055, 4174, 6110, 8348, 10435, 12220, 20870, 27131, 41740, 54262, 98089, 108524, 135655, 196178, 271310, 392356, 490445, 542620, 980890, 1275157, 1961780, 2550314, 5100628, 6375785, 12751570, 25503140]

約数ペア:

[(1, 25503140), (2, 12751570), (4, 6375785), (5, 5100628), (10, 2550314), (13, 1961780), (20, 1275157), (26, 980890), (47, 542620), (52, 490445), (65, 392356), (94, 271310), (130, 196178), (188, 135655), (235, 108524), (260, 98089), (470, 54262), (611, 41740), (940, 27131), (1222, 20870), (2087, 12220), (2444, 10435), (3055, 8348), (4174, 6110)]