25671320

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2663}}^1$

素因数の和:2915

約数の個数: 32

約数和(自身を含む): 58021920

約数和(自身を除く): 32350600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 2663, 4820, 5326, 9640, 10652, 13315, 21304, 26630, 53260, 106520, 641783, 1283566, 2567132, 3208915, 5134264, 6417830, 12835660, 25671320]

約数ペア:

[(1, 25671320), (2, 12835660), (4, 6417830), (5, 5134264), (8, 3208915), (10, 2567132), (20, 1283566), (40, 641783), (241, 106520), (482, 53260), (964, 26630), (1205, 21304), (1928, 13315), (2410, 10652), (2663, 9640), (4820, 5326)]