1815693820880

素因数分解:

$2^4\times 5^1\times {\mathrm{22696172761}}^1$

素因数の和:22696172774

約数の個数: 20

約数和(自身を含む): 4221488133732

約数和(自身を除く): 2405794312852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 22696172761, 45392345522, 90784691044, 113480863805, 181569382088, 226961727610, 363138764176, 453923455220, 907846910440, 1815693820880]

約数ペア:

[(1, 1815693820880), (2, 907846910440), (4, 453923455220), (5, 363138764176), (8, 226961727610), (10, 181569382088), (16, 113480863805), (20, 90784691044), (40, 45392345522), (80, 22696172761)]