20294555200

素因数分解:

$2^6\times 5^2\times {\mathrm{43}}^1\times {\mathrm{294979}}^1$

素因数の和:295044

約数の個数: 84

約数和(自身を含む): 51098795440

約数和(自身を除く): 30804240240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 64, 80, 86, 100, 160, 172, 200, 215, 320, 344, 400, 430, 688, 800, 860, 1075, 1376, 1600, 1720, 2150, 2752, 3440, 4300, 6880, 8600, 13760, 17200, 34400, 68800, 294979, 589958, 1179916, 1474895, 2359832, 2949790, 4719664, 5899580, 7374475, 9439328, 11799160, 12684097, 14748950, 18878656, 23598320, 25368194, 29497900, 47196640, 50736388, 58995800, 63420485, 94393280, 101472776, 117991600, 126840970, 202945552, 235983200, 253681940, 317102425, 405891104, 471966400, 507363880, 634204850, 811782208, 1014727760, 1268409700, 2029455520, 2536819400, 4058911040, 5073638800, 10147277600, 20294555200]

約数ペア:

[(1, 20294555200), (2, 10147277600), (4, 5073638800), (5, 4058911040), (8, 2536819400), (10, 2029455520), (16, 1268409700), (20, 1014727760), (25, 811782208), (32, 634204850), (40, 507363880), (43, 471966400), (50, 405891104), (64, 317102425), (80, 253681940), (86, 235983200), (100, 202945552), (160, 126840970), (172, 117991600), (200, 101472776), (215, 94393280), (320, 63420485), (344, 58995800), (400, 50736388), (430, 47196640), (688, 29497900), (800, 25368194), (860, 23598320), (1075, 18878656), (1376, 14748950), (1600, 12684097), (1720, 11799160), (2150, 9439328), (2752, 7374475), (3440, 5899580), (4300, 4719664), (6880, 2949790), (8600, 2359832), (13760, 1474895), (17200, 1179916), (34400, 589958), (68800, 294979)]