15402440

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{919}}^1$

素因数の和:1349

約数の個数: 32

約数和(自身を含む): 34776000

約数和(自身を除く): 19373560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 919, 1676, 1838, 2095, 3352, 3676, 4190, 4595, 7352, 8380, 9190, 16760, 18380, 36760, 385061, 770122, 1540244, 1925305, 3080488, 3850610, 7701220, 15402440]

約数ペア:

[(1, 15402440), (2, 7701220), (4, 3850610), (5, 3080488), (8, 1925305), (10, 1540244), (20, 770122), (40, 385061), (419, 36760), (838, 18380), (919, 16760), (1676, 9190), (1838, 8380), (2095, 7352), (3352, 4595), (3676, 4190)]