28373200

素因数分解:

$2^4\times 5^2\times {\mathrm{89}}^1\times {\mathrm{797}}^1$

素因数の和:904

約数の個数: 60

約数和(自身を含む): 69019020

約数和(自身を除く): 40645820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 89, 100, 178, 200, 356, 400, 445, 712, 797, 890, 1424, 1594, 1780, 2225, 3188, 3560, 3985, 4450, 6376, 7120, 7970, 8900, 12752, 15940, 17800, 19925, 31880, 35600, 39850, 63760, 70933, 79700, 141866, 159400, 283732, 318800, 354665, 567464, 709330, 1134928, 1418660, 1773325, 2837320, 3546650, 5674640, 7093300, 14186600, 28373200]

約数ペア:

[(1, 28373200), (2, 14186600), (4, 7093300), (5, 5674640), (8, 3546650), (10, 2837320), (16, 1773325), (20, 1418660), (25, 1134928), (40, 709330), (50, 567464), (80, 354665), (89, 318800), (100, 283732), (178, 159400), (200, 141866), (356, 79700), (400, 70933), (445, 63760), (712, 39850), (797, 35600), (890, 31880), (1424, 19925), (1594, 17800), (1780, 15940), (2225, 12752), (3188, 8900), (3560, 7970), (3985, 7120), (4450, 6376)]