25557720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{212981}}^1$

素因数の和:212995

約数の個数: 32

約数和(自身を含む): 76673520

約数和(自身を除く): 51115800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 212981, 425962, 638943, 851924, 1064905, 1277886, 1703848, 2129810, 2555772, 3194715, 4259620, 5111544, 6389430, 8519240, 12778860, 25557720]

約数ペア:

[(1, 25557720), (2, 12778860), (3, 8519240), (4, 6389430), (5, 5111544), (6, 4259620), (8, 3194715), (10, 2555772), (12, 2129810), (15, 1703848), (20, 1277886), (24, 1064905), (30, 851924), (40, 638943), (60, 425962), (120, 212981)]