25717040

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3121}}^1$

素因数の和:3237

約数の個数: 40

約数和(自身を含む): 60391968

約数和(自身を除く): 34674928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 3121, 4120, 6242, 8240, 12484, 15605, 24968, 31210, 49936, 62420, 124840, 249680, 321463, 642926, 1285852, 1607315, 2571704, 3214630, 5143408, 6429260, 12858520, 25717040]

約数ペア:

[(1, 25717040), (2, 12858520), (4, 6429260), (5, 5143408), (8, 3214630), (10, 2571704), (16, 1607315), (20, 1285852), (40, 642926), (80, 321463), (103, 249680), (206, 124840), (412, 62420), (515, 49936), (824, 31210), (1030, 24968), (1648, 15605), (2060, 12484), (3121, 8240), (4120, 6242)]