72945380

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{43943}}^1$

素因数の和:44035

約数の個数: 24

約数和(自身を含む): 155034432

約数和(自身を除く): 82089052

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 43943, 87886, 175772, 219715, 439430, 878860, 3647269, 7294538, 14589076, 18236345, 36472690, 72945380]

約数ペア:

[(1, 72945380), (2, 36472690), (4, 18236345), (5, 14589076), (10, 7294538), (20, 3647269), (83, 878860), (166, 439430), (332, 219715), (415, 175772), (830, 87886), (1660, 43943)]