201631880

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{107251}}^1$

素因数の和:107309

約数の個数: 32

約数和(自身を含む): 463328640

約数和(自身を除く): 261696760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 107251, 214502, 429004, 536255, 858008, 1072510, 2145020, 4290040, 5040797, 10081594, 20163188, 25203985, 40326376, 50407970, 100815940, 201631880]

約数ペア:

[(1, 201631880), (2, 100815940), (4, 50407970), (5, 40326376), (8, 25203985), (10, 20163188), (20, 10081594), (40, 5040797), (47, 4290040), (94, 2145020), (188, 1072510), (235, 858008), (376, 536255), (470, 429004), (940, 214502), (1880, 107251)]