27898400

素因数分解:

$2^5\times 5^2\times {\mathrm{43}}^1\times {\mathrm{811}}^1$

素因数の和:874

約数の個数: 72

約数和(自身を含む): 69776784

約数和(自身を除く): 41878384

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, 811, 860, 1075, 1376, 1622, 1720, 2150, 3244, 3440, 4055, 4300, 6488, 6880, 8110, 8600, 12976, 16220, 17200, 20275, 25952, 32440, 34400, 34873, 40550, 64880, 69746, 81100, 129760, 139492, 162200, 174365, 278984, 324400, 348730, 557968, 648800, 697460, 871825, 1115936, 1394920, 1743650, 2789840, 3487300, 5579680, 6974600, 13949200, 27898400]

約数ペア:

[(1, 27898400), (2, 13949200), (4, 6974600), (5, 5579680), (8, 3487300), (10, 2789840), (16, 1743650), (20, 1394920), (25, 1115936), (32, 871825), (40, 697460), (43, 648800), (50, 557968), (80, 348730), (86, 324400), (100, 278984), (160, 174365), (172, 162200), (200, 139492), (215, 129760), (344, 81100), (400, 69746), (430, 64880), (688, 40550), (800, 34873), (811, 34400), (860, 32440), (1075, 25952), (1376, 20275), (1622, 17200), (1720, 16220), (2150, 12976), (3244, 8600), (3440, 8110), (4055, 6880), (4300, 6488)]