12927440

素因数分解:

$2^4\times 5^1\times {\mathrm{283}}^1\times {\mathrm{571}}^1$

素因数の和:867

約数の個数: 40

約数和(自身を含む): 30215328

約数和(自身を除く): 17287888

約数列:

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

約数ペア:

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