28351640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{30817}}^1$

素因数の和:30851

約数の個数: 32

約数和(自身を含む): 66566880

約数和(自身を除く): 38215240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 30817, 61634, 123268, 154085, 246536, 308170, 616340, 708791, 1232680, 1417582, 2835164, 3543955, 5670328, 7087910, 14175820, 28351640]

約数ペア:

[(1, 28351640), (2, 14175820), (4, 7087910), (5, 5670328), (8, 3543955), (10, 2835164), (20, 1417582), (23, 1232680), (40, 708791), (46, 616340), (92, 308170), (115, 246536), (184, 154085), (230, 123268), (460, 61634), (920, 30817)]