25882520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20873}}^1$

素因数の和:20915

約数の個数: 32

約数和(自身を含む): 60117120

約数和(自身を除く): 34234600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 20873, 41746, 83492, 104365, 166984, 208730, 417460, 647063, 834920, 1294126, 2588252, 3235315, 5176504, 6470630, 12941260, 25882520]

約数ペア:

[(1, 25882520), (2, 12941260), (4, 6470630), (5, 5176504), (8, 3235315), (10, 2588252), (20, 1294126), (31, 834920), (40, 647063), (62, 417460), (124, 208730), (155, 166984), (248, 104365), (310, 83492), (620, 41746), (1240, 20873)]