66426400

素因数分解:

$2^5\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1931}}^1$

素因数の和:1994

約数の個数: 72

約数和(自身を含む): 166020624

約数和(自身を除く): 99594224

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, 860, 1075, 1376, 1720, 1931, 2150, 3440, 3862, 4300, 6880, 7724, 8600, 9655, 15448, 17200, 19310, 30896, 34400, 38620, 48275, 61792, 77240, 83033, 96550, 154480, 166066, 193100, 308960, 332132, 386200, 415165, 664264, 772400, 830330, 1328528, 1544800, 1660660, 2075825, 2657056, 3321320, 4151650, 6642640, 8303300, 13285280, 16606600, 33213200, 66426400]

約数ペア:

[(1, 66426400), (2, 33213200), (4, 16606600), (5, 13285280), (8, 8303300), (10, 6642640), (16, 4151650), (20, 3321320), (25, 2657056), (32, 2075825), (40, 1660660), (43, 1544800), (50, 1328528), (80, 830330), (86, 772400), (100, 664264), (160, 415165), (172, 386200), (200, 332132), (215, 308960), (344, 193100), (400, 166066), (430, 154480), (688, 96550), (800, 83033), (860, 77240), (1075, 61792), (1376, 48275), (1720, 38620), (1931, 34400), (2150, 30896), (3440, 19310), (3862, 17200), (4300, 15448), (6880, 9655), (7724, 8600)]