438981580

素因数分解:

$2^2\times 5^1\times {\mathrm{839}}^1\times {\mathrm{26161}}^1$

素因数の和:27009

約数の個数: 24

約数和(自身を含む): 922995360

約数和(自身を除く): 484013780

約数列:

[1, 2, 4, 5, 10, 20, 839, 1678, 3356, 4195, 8390, 16780, 26161, 52322, 104644, 130805, 261610, 523220, 21949079, 43898158, 87796316, 109745395, 219490790, 438981580]

約数ペア:

[(1, 438981580), (2, 219490790), (4, 109745395), (5, 87796316), (10, 43898158), (20, 21949079), (839, 523220), (1678, 261610), (3356, 130805), (4195, 104644), (8390, 52322), (16780, 26161)]