47791220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{26849}}^1$

素因数の和:26947

約数の個数: 24

約数和(自身を含む): 101493000

約数和(自身を除く): 53701780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 26849, 53698, 107396, 134245, 268490, 536980, 2389561, 4779122, 9558244, 11947805, 23895610, 47791220]

約数ペア:

[(1, 47791220), (2, 23895610), (4, 11947805), (5, 9558244), (10, 4779122), (20, 2389561), (89, 536980), (178, 268490), (356, 134245), (445, 107396), (890, 53698), (1780, 26849)]