28566400

素因数分解:

$2^7\times 5^2\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:216

約数の個数: 96

約数和(自身を含む): 72093600

約数和(自身を除く): 43527200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 113, 128, 158, 160, 200, 226, 316, 320, 395, 400, 452, 565, 632, 640, 790, 800, 904, 1130, 1264, 1580, 1600, 1808, 1975, 2260, 2528, 2825, 3160, 3200, 3616, 3950, 4520, 5056, 5650, 6320, 7232, 7900, 8927, 9040, 10112, 11300, 12640, 14464, 15800, 17854, 18080, 22600, 25280, 31600, 35708, 36160, 44635, 45200, 50560, 63200, 71416, 72320, 89270, 90400, 126400, 142832, 178540, 180800, 223175, 252800, 285664, 357080, 361600, 446350, 571328, 714160, 892700, 1142656, 1428320, 1785400, 2856640, 3570800, 5713280, 7141600, 14283200, 28566400]

約数ペア:

[(1, 28566400), (2, 14283200), (4, 7141600), (5, 5713280), (8, 3570800), (10, 2856640), (16, 1785400), (20, 1428320), (25, 1142656), (32, 892700), (40, 714160), (50, 571328), (64, 446350), (79, 361600), (80, 357080), (100, 285664), (113, 252800), (128, 223175), (158, 180800), (160, 178540), (200, 142832), (226, 126400), (316, 90400), (320, 89270), (395, 72320), (400, 71416), (452, 63200), (565, 50560), (632, 45200), (640, 44635), (790, 36160), (800, 35708), (904, 31600), (1130, 25280), (1264, 22600), (1580, 18080), (1600, 17854), (1808, 15800), (1975, 14464), (2260, 12640), (2528, 11300), (2825, 10112), (3160, 9040), (3200, 8927), (3616, 7900), (3950, 7232), (4520, 6320), (5056, 5650)]