200288320

素因数分解:

$2^6\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1609}}^1$

素因数の和:2015

約数の個数: 56

約数和(自身を含む): 478459800

約数和(自身を除く): 278171480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 389, 778, 1556, 1609, 1945, 3112, 3218, 3890, 6224, 6436, 7780, 8045, 12448, 12872, 15560, 16090, 24896, 25744, 31120, 32180, 51488, 62240, 64360, 102976, 124480, 128720, 257440, 514880, 625901, 1251802, 2503604, 3129505, 5007208, 6259010, 10014416, 12518020, 20028832, 25036040, 40057664, 50072080, 100144160, 200288320]

約数ペア:

[(1, 200288320), (2, 100144160), (4, 50072080), (5, 40057664), (8, 25036040), (10, 20028832), (16, 12518020), (20, 10014416), (32, 6259010), (40, 5007208), (64, 3129505), (80, 2503604), (160, 1251802), (320, 625901), (389, 514880), (778, 257440), (1556, 128720), (1609, 124480), (1945, 102976), (3112, 64360), (3218, 62240), (3890, 51488), (6224, 32180), (6436, 31120), (7780, 25744), (8045, 24896), (12448, 16090), (12872, 15560)]