25854880

素因数分解:

$2^5\times 5^1\times {\mathrm{283}}^1\times {\mathrm{571}}^1$

素因数の和:869

約数の個数: 48

約数和(自身を含む): 61405344

約数和(自身を除く): 35550464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 283, 566, 571, 1132, 1142, 1415, 2264, 2284, 2830, 2855, 4528, 4568, 5660, 5710, 9056, 9136, 11320, 11420, 18272, 22640, 22840, 45280, 45680, 91360, 161593, 323186, 646372, 807965, 1292744, 1615930, 2585488, 3231860, 5170976, 6463720, 12927440, 25854880]

約数ペア:

[(1, 25854880), (2, 12927440), (4, 6463720), (5, 5170976), (8, 3231860), (10, 2585488), (16, 1615930), (20, 1292744), (32, 807965), (40, 646372), (80, 323186), (160, 161593), (283, 91360), (566, 45680), (571, 45280), (1132, 22840), (1142, 22640), (1415, 18272), (2264, 11420), (2284, 11320), (2830, 9136), (2855, 9056), (4528, 5710), (4568, 5660)]