26181040

素因数分解:

$2^4\times 5^1\times {\mathrm{327263}}^1$

素因数の和:327276

約数の個数: 20

約数和(自身を含む): 60871104

約数和(自身を除く): 34690064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 327263, 654526, 1309052, 1636315, 2618104, 3272630, 5236208, 6545260, 13090520, 26181040]

約数ペア:

[(1, 26181040), (2, 13090520), (4, 6545260), (5, 5236208), (8, 3272630), (10, 2618104), (16, 1636315), (20, 1309052), (40, 654526), (80, 327263)]