25412840

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3011}}^1$

素因数の和:3233

約数の個数: 32

約数和(自身を含む): 57468960

約数和(自身を除く): 32056120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 3011, 4220, 6022, 8440, 12044, 15055, 24088, 30110, 60220, 120440, 635321, 1270642, 2541284, 3176605, 5082568, 6353210, 12706420, 25412840]

約数ペア:

[(1, 25412840), (2, 12706420), (4, 6353210), (5, 5082568), (8, 3176605), (10, 2541284), (20, 1270642), (40, 635321), (211, 120440), (422, 60220), (844, 30110), (1055, 24088), (1688, 15055), (2110, 12044), (3011, 8440), (4220, 6022)]