89871680

素因数分解:

$2^6\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1723}}^1$

素因数の和:1903

約数の個数: 56

約数和(自身を含む): 215444832

約数和(自身を除く): 125573152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 163, 320, 326, 652, 815, 1304, 1630, 1723, 2608, 3260, 3446, 5216, 6520, 6892, 8615, 10432, 13040, 13784, 17230, 26080, 27568, 34460, 52160, 55136, 68920, 110272, 137840, 275680, 280849, 551360, 561698, 1123396, 1404245, 2246792, 2808490, 4493584, 5616980, 8987168, 11233960, 17974336, 22467920, 44935840, 89871680]

約数ペア:

[(1, 89871680), (2, 44935840), (4, 22467920), (5, 17974336), (8, 11233960), (10, 8987168), (16, 5616980), (20, 4493584), (32, 2808490), (40, 2246792), (64, 1404245), (80, 1123396), (160, 561698), (163, 551360), (320, 280849), (326, 275680), (652, 137840), (815, 110272), (1304, 68920), (1630, 55136), (1723, 52160), (2608, 34460), (3260, 27568), (3446, 26080), (5216, 17230), (6520, 13784), (6892, 13040), (8615, 10432)]