65438680

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71129}}^1$

素因数の和:71163

約数の個数: 32

約数和(自身を含む): 153640800

約数和(自身を除く): 88202120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 71129, 142258, 284516, 355645, 569032, 711290, 1422580, 1635967, 2845160, 3271934, 6543868, 8179835, 13087736, 16359670, 32719340, 65438680]

約数ペア:

[(1, 65438680), (2, 32719340), (4, 16359670), (5, 13087736), (8, 8179835), (10, 6543868), (20, 3271934), (23, 2845160), (40, 1635967), (46, 1422580), (92, 711290), (115, 569032), (184, 355645), (230, 284516), (460, 142258), (920, 71129)]