51771220

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{6329}}^1$

素因数の和:6747

約数の個数: 24

約数和(自身を含む): 109002600

約数和(自身を除く): 57231380

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 6329, 8180, 12658, 25316, 31645, 63290, 126580, 2588561, 5177122, 10354244, 12942805, 25885610, 51771220]

約数ペア:

[(1, 51771220), (2, 25885610), (4, 12942805), (5, 10354244), (10, 5177122), (20, 2588561), (409, 126580), (818, 63290), (1636, 31645), (2045, 25316), (4090, 12658), (6329, 8180)]