1001191220

素因数分解:

$2^2\times 5^1\times {\mathrm{4951}}^1\times {\mathrm{10111}}^1$

素因数の和:15071

約数の個数: 24

約数和(自身を含む): 2103134208

約数和(自身を除く): 1101942988

約数列:

[1, 2, 4, 5, 10, 20, 4951, 9902, 10111, 19804, 20222, 24755, 40444, 49510, 50555, 99020, 101110, 202220, 50059561, 100119122, 200238244, 250297805, 500595610, 1001191220]

約数ペア:

[(1, 1001191220), (2, 500595610), (4, 250297805), (5, 200238244), (10, 100119122), (20, 50059561), (4951, 202220), (9902, 101110), (10111, 99020), (19804, 50555), (20222, 49510), (24755, 40444)]