55450460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{509}}^1$

素因数の和:950

約数の個数: 48

約数和(自身を含む): 125949600

約数和(自身を除く): 70499140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 419, 509, 838, 1018, 1676, 2036, 2095, 2545, 4190, 5090, 5447, 6617, 8380, 10180, 10894, 13234, 21788, 26468, 27235, 33085, 54470, 66170, 108940, 132340, 213271, 426542, 853084, 1066355, 2132710, 2772523, 4265420, 5545046, 11090092, 13862615, 27725230, 55450460]

約数ペア:

[(1, 55450460), (2, 27725230), (4, 13862615), (5, 11090092), (10, 5545046), (13, 4265420), (20, 2772523), (26, 2132710), (52, 1066355), (65, 853084), (130, 426542), (260, 213271), (419, 132340), (509, 108940), (838, 66170), (1018, 54470), (1676, 33085), (2036, 27235), (2095, 26468), (2545, 21788), (4190, 13234), (5090, 10894), (5447, 10180), (6617, 8380)]