87432440

素因数分解:

$2^3\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{1709}}^1$

素因数の和:2999

約数の個数: 32

約数和(自身を含む): 196992000

約数和(自身を除く): 109559560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1279, 1709, 2558, 3418, 5116, 6395, 6836, 8545, 10232, 12790, 13672, 17090, 25580, 34180, 51160, 68360, 2185811, 4371622, 8743244, 10929055, 17486488, 21858110, 43716220, 87432440]

約数ペア:

[(1, 87432440), (2, 43716220), (4, 21858110), (5, 17486488), (8, 10929055), (10, 8743244), (20, 4371622), (40, 2185811), (1279, 68360), (1709, 51160), (2558, 34180), (3418, 25580), (5116, 17090), (6395, 13672), (6836, 12790), (8545, 10232)]