80578850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{613}}^1$

素因数の和:875

約数の個数: 48

約数和(自身を含む): 164453760

約数和(自身を除く): 83874910

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 239, 275, 478, 550, 613, 1195, 1226, 2390, 2629, 3065, 5258, 5975, 6130, 6743, 11950, 13145, 13486, 15325, 26290, 30650, 33715, 65725, 67430, 131450, 146507, 168575, 293014, 337150, 732535, 1465070, 1611577, 3223154, 3662675, 7325350, 8057885, 16115770, 40289425, 80578850]

約数ペア:

[(1, 80578850), (2, 40289425), (5, 16115770), (10, 8057885), (11, 7325350), (22, 3662675), (25, 3223154), (50, 1611577), (55, 1465070), (110, 732535), (239, 337150), (275, 293014), (478, 168575), (550, 146507), (613, 131450), (1195, 67430), (1226, 65725), (2390, 33715), (2629, 30650), (3065, 26290), (5258, 15325), (5975, 13486), (6130, 13145), (6743, 11950)]