12576800

素因数分解:

$2^5\times 5^2\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:298

約数の個数: 72

約数和(自身を含む): 31248000

約数和(自身を除く): 18671200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 79, 80, 100, 158, 160, 199, 200, 316, 395, 398, 400, 632, 790, 796, 800, 995, 1264, 1580, 1592, 1975, 1990, 2528, 3160, 3184, 3950, 3980, 4975, 6320, 6368, 7900, 7960, 9950, 12640, 15721, 15800, 15920, 19900, 31442, 31600, 31840, 39800, 62884, 63200, 78605, 79600, 125768, 157210, 159200, 251536, 314420, 393025, 503072, 628840, 786050, 1257680, 1572100, 2515360, 3144200, 6288400, 12576800]

約数ペア:

[(1, 12576800), (2, 6288400), (4, 3144200), (5, 2515360), (8, 1572100), (10, 1257680), (16, 786050), (20, 628840), (25, 503072), (32, 393025), (40, 314420), (50, 251536), (79, 159200), (80, 157210), (100, 125768), (158, 79600), (160, 78605), (199, 63200), (200, 62884), (316, 39800), (395, 31840), (398, 31600), (400, 31442), (632, 19900), (790, 15920), (796, 15800), (800, 15721), (995, 12640), (1264, 9950), (1580, 7960), (1592, 7900), (1975, 6368), (1990, 6320), (2528, 4975), (3160, 3980), (3184, 3950)]