91345640

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{4651}}^1$

素因数の和:5153

約数の個数: 32

約数和(自身を含む): 205990560

約数和(自身を除く): 114644920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3928, 4651, 4910, 9302, 9820, 18604, 19640, 23255, 37208, 46510, 93020, 186040, 2283641, 4567282, 9134564, 11418205, 18269128, 22836410, 45672820, 91345640]

約数ペア:

[(1, 91345640), (2, 45672820), (4, 22836410), (5, 18269128), (8, 11418205), (10, 9134564), (20, 4567282), (40, 2283641), (491, 186040), (982, 93020), (1964, 46510), (2455, 37208), (3928, 23255), (4651, 19640), (4910, 18604), (9302, 9820)]