88171640

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{19507}}^1$

素因数の和:19631

約数の個数: 32

約数和(自身を含む): 200152080

約数和(自身を除く): 111980440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 19507, 39014, 78028, 97535, 156056, 195070, 390140, 780280, 2204291, 4408582, 8817164, 11021455, 17634328, 22042910, 44085820, 88171640]

約数ペア:

[(1, 88171640), (2, 44085820), (4, 22042910), (5, 17634328), (8, 11021455), (10, 8817164), (20, 4408582), (40, 2204291), (113, 780280), (226, 390140), (452, 195070), (565, 156056), (904, 97535), (1130, 78028), (2260, 39014), (4520, 19507)]