129423200

素因数分解:

$2^5\times 5^2\times {\mathrm{161779}}^1$

素因数の和:161799

約数の個数: 36

約数和(自身を含む): 315956340

約数和(自身を除く): 186533140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 161779, 323558, 647116, 808895, 1294232, 1617790, 2588464, 3235580, 4044475, 5176928, 6471160, 8088950, 12942320, 16177900, 25884640, 32355800, 64711600, 129423200]

約数ペア:

[(1, 129423200), (2, 64711600), (4, 32355800), (5, 25884640), (8, 16177900), (10, 12942320), (16, 8088950), (20, 6471160), (25, 5176928), (32, 4044475), (40, 3235580), (50, 2588464), (80, 1617790), (100, 1294232), (160, 808895), (200, 647116), (400, 323558), (800, 161779)]