80883640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87917}}^1$

素因数の和:87951

約数の個数: 32

約数和(自身を含む): 189902880

約数和(自身を除く): 109019240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 87917, 175834, 351668, 439585, 703336, 879170, 1758340, 2022091, 3516680, 4044182, 8088364, 10110455, 16176728, 20220910, 40441820, 80883640]

約数ペア:

[(1, 80883640), (2, 40441820), (4, 20220910), (5, 16176728), (8, 10110455), (10, 8088364), (20, 4044182), (23, 3516680), (40, 2022091), (46, 1758340), (92, 879170), (115, 703336), (184, 439585), (230, 351668), (460, 175834), (920, 87917)]