31479640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{34217}}^1$

素因数の和:34251

約数の個数: 32

約数和(自身を含む): 73910880

約数和(自身を除く): 42431240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 34217, 68434, 136868, 171085, 273736, 342170, 684340, 786991, 1368680, 1573982, 3147964, 3934955, 6295928, 7869910, 15739820, 31479640]

約数ペア:

[(1, 31479640), (2, 15739820), (4, 7869910), (5, 6295928), (8, 3934955), (10, 3147964), (20, 1573982), (23, 1368680), (40, 786991), (46, 684340), (92, 342170), (115, 273736), (184, 171085), (230, 136868), (460, 68434), (920, 34217)]