28189600

素因数分解:

$2^5\times 5^2\times {\mathrm{167}}^1\times {\mathrm{211}}^1$

素因数の和:398

約数の個数: 72

約数和(自身を含む): 69558048

約数和(自身を除く): 41368448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 167, 200, 211, 334, 400, 422, 668, 800, 835, 844, 1055, 1336, 1670, 1688, 2110, 2672, 3340, 3376, 4175, 4220, 5275, 5344, 6680, 6752, 8350, 8440, 10550, 13360, 16700, 16880, 21100, 26720, 33400, 33760, 35237, 42200, 66800, 70474, 84400, 133600, 140948, 168800, 176185, 281896, 352370, 563792, 704740, 880925, 1127584, 1409480, 1761850, 2818960, 3523700, 5637920, 7047400, 14094800, 28189600]

約数ペア:

[(1, 28189600), (2, 14094800), (4, 7047400), (5, 5637920), (8, 3523700), (10, 2818960), (16, 1761850), (20, 1409480), (25, 1127584), (32, 880925), (40, 704740), (50, 563792), (80, 352370), (100, 281896), (160, 176185), (167, 168800), (200, 140948), (211, 133600), (334, 84400), (400, 70474), (422, 66800), (668, 42200), (800, 35237), (835, 33760), (844, 33400), (1055, 26720), (1336, 21100), (1670, 16880), (1688, 16700), (2110, 13360), (2672, 10550), (3340, 8440), (3376, 8350), (4175, 6752), (4220, 6680), (5275, 5344)]