80338225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{751}}^1$

素因数の和:1161

約数の個数: 24

約数和(自身を含む): 109100160

約数和(自身を除く): 28761935

約数列:

[1, 5, 11, 25, 55, 275, 389, 751, 1945, 3755, 4279, 8261, 9725, 18775, 21395, 41305, 106975, 206525, 292139, 1460695, 3213529, 7303475, 16067645, 80338225]

約数ペア:

[(1, 80338225), (5, 16067645), (11, 7303475), (25, 3213529), (55, 1460695), (275, 292139), (389, 206525), (751, 106975), (1945, 41305), (3755, 21395), (4279, 18775), (8261, 9725)]