51990200

素因数分解:

$2^3\times 5^2\times {\mathrm{191}}^1\times {\mathrm{1361}}^1$

素因数の和:1568

約数の個数: 48

約数和(自身を含む): 121599360

約数和(自身を除く): 69609160

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 191, 200, 382, 764, 955, 1361, 1528, 1910, 2722, 3820, 4775, 5444, 6805, 7640, 9550, 10888, 13610, 19100, 27220, 34025, 38200, 54440, 68050, 136100, 259951, 272200, 519902, 1039804, 1299755, 2079608, 2599510, 5199020, 6498775, 10398040, 12997550, 25995100, 51990200]

約数ペア:

[(1, 51990200), (2, 25995100), (4, 12997550), (5, 10398040), (8, 6498775), (10, 5199020), (20, 2599510), (25, 2079608), (40, 1299755), (50, 1039804), (100, 519902), (191, 272200), (200, 259951), (382, 136100), (764, 68050), (955, 54440), (1361, 38200), (1528, 34025), (1910, 27220), (2722, 19100), (3820, 13610), (4775, 10888), (5444, 9550), (6805, 7640)]