51402940

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{25447}}^1$

素因数の和:25557

約数の個数: 24

約数和(自身を含む): 109019232

約数和(自身を除く): 57616292

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 25447, 50894, 101788, 127235, 254470, 508940, 2570147, 5140294, 10280588, 12850735, 25701470, 51402940]

約数ペア:

[(1, 51402940), (2, 25701470), (4, 12850735), (5, 10280588), (10, 5140294), (20, 2570147), (101, 508940), (202, 254470), (404, 127235), (505, 101788), (1010, 50894), (2020, 25447)]