28128050

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{13721}}^1$

素因数の和:13774

約数の個数: 24

約数和(自身を含む): 53598132

約数和(自身を除く): 25470082

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 13721, 27442, 68605, 137210, 343025, 562561, 686050, 1125122, 2812805, 5625610, 14064025, 28128050]

約数ペア:

[(1, 28128050), (2, 14064025), (5, 5625610), (10, 2812805), (25, 1125122), (41, 686050), (50, 562561), (82, 343025), (205, 137210), (410, 68605), (1025, 27442), (2050, 13721)]