51351640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{55817}}^1$

素因数の和:55851

約数の個数: 32

約数和(自身を含む): 120566880

約数和(自身を除く): 69215240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 55817, 111634, 223268, 279085, 446536, 558170, 1116340, 1283791, 2232680, 2567582, 5135164, 6418955, 10270328, 12837910, 25675820, 51351640]

約数ペア:

[(1, 51351640), (2, 25675820), (4, 12837910), (5, 10270328), (8, 6418955), (10, 5135164), (20, 2567582), (23, 2232680), (40, 1283791), (46, 1116340), (92, 558170), (115, 446536), (184, 279085), (230, 223268), (460, 111634), (920, 55817)]