84381260

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{38707}}^1$

素因数の和:38825

約数の個数: 24

約数和(自身を含む): 178830960

約数和(自身を除く): 94449700

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 38707, 77414, 154828, 193535, 387070, 774140, 4219063, 8438126, 16876252, 21095315, 42190630, 84381260]

約数ペア:

[(1, 84381260), (2, 42190630), (4, 21095315), (5, 16876252), (10, 8438126), (20, 4219063), (109, 774140), (218, 387070), (436, 193535), (545, 154828), (1090, 77414), (2180, 38707)]