28517600

素因数分解:

$2^5\times 5^2\times {\mathrm{43}}^1\times {\mathrm{829}}^1$

素因数の和:892

約数の個数: 72

約数和(自身を含む): 71323560

約数和(自身を除く): 42805960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 80, 86, 100, 160, 172, 200, 215, 344, 400, 430, 688, 800, 829, 860, 1075, 1376, 1658, 1720, 2150, 3316, 3440, 4145, 4300, 6632, 6880, 8290, 8600, 13264, 16580, 17200, 20725, 26528, 33160, 34400, 35647, 41450, 66320, 71294, 82900, 132640, 142588, 165800, 178235, 285176, 331600, 356470, 570352, 663200, 712940, 891175, 1140704, 1425880, 1782350, 2851760, 3564700, 5703520, 7129400, 14258800, 28517600]

約数ペア:

[(1, 28517600), (2, 14258800), (4, 7129400), (5, 5703520), (8, 3564700), (10, 2851760), (16, 1782350), (20, 1425880), (25, 1140704), (32, 891175), (40, 712940), (43, 663200), (50, 570352), (80, 356470), (86, 331600), (100, 285176), (160, 178235), (172, 165800), (200, 142588), (215, 132640), (344, 82900), (400, 71294), (430, 66320), (688, 41450), (800, 35647), (829, 34400), (860, 33160), (1075, 26528), (1376, 20725), (1658, 17200), (1720, 16580), (2150, 13264), (3316, 8600), (3440, 8290), (4145, 6880), (4300, 6632)]