80991856

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{460181}}^1$

素因数の和:460200

約数の個数: 20

約数和(自身を含む): 171187704

約数和(自身を除く): 90195848

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 460181, 920362, 1840724, 3681448, 5061991, 7362896, 10123982, 20247964, 40495928, 80991856]

約数ペア:

[(1, 80991856), (2, 40495928), (4, 20247964), (8, 10123982), (11, 7362896), (16, 5061991), (22, 3681448), (44, 1840724), (88, 920362), (176, 460181)]