25153600

素因数分解:

$2^6\times 5^2\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:300

約数の個数: 84

約数和(自身を含む): 62992000

約数和(自身を除く): 37838400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 158, 160, 199, 200, 316, 320, 395, 398, 400, 632, 790, 796, 800, 995, 1264, 1580, 1592, 1600, 1975, 1990, 2528, 3160, 3184, 3950, 3980, 4975, 5056, 6320, 6368, 7900, 7960, 9950, 12640, 12736, 15721, 15800, 15920, 19900, 25280, 31442, 31600, 31840, 39800, 62884, 63200, 63680, 78605, 79600, 125768, 126400, 157210, 159200, 251536, 314420, 318400, 393025, 503072, 628840, 786050, 1006144, 1257680, 1572100, 2515360, 3144200, 5030720, 6288400, 12576800, 25153600]

約数ペア:

[(1, 25153600), (2, 12576800), (4, 6288400), (5, 5030720), (8, 3144200), (10, 2515360), (16, 1572100), (20, 1257680), (25, 1006144), (32, 786050), (40, 628840), (50, 503072), (64, 393025), (79, 318400), (80, 314420), (100, 251536), (158, 159200), (160, 157210), (199, 126400), (200, 125768), (316, 79600), (320, 78605), (395, 63680), (398, 63200), (400, 62884), (632, 39800), (790, 31840), (796, 31600), (800, 31442), (995, 25280), (1264, 19900), (1580, 15920), (1592, 15800), (1600, 15721), (1975, 12736), (1990, 12640), (2528, 9950), (3160, 7960), (3184, 7900), (3950, 6368), (3980, 6320), (4975, 5056)]