12281200

素因数分解:

$2^4\times 5^2\times {\mathrm{30703}}^1$

素因数の和:30721

約数の個数: 30

約数和(自身を含む): 29506544

約数和(自身を除く): 17225344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 30703, 61406, 122812, 153515, 245624, 307030, 491248, 614060, 767575, 1228120, 1535150, 2456240, 3070300, 6140600, 12281200]

約数ペア:

[(1, 12281200), (2, 6140600), (4, 3070300), (5, 2456240), (8, 1535150), (10, 1228120), (16, 767575), (20, 614060), (25, 491248), (40, 307030), (50, 245624), (80, 153515), (100, 122812), (200, 61406), (400, 30703)]