31875040

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:212

約数の個数: 96

約数和(自身を含む): 79634016

約数和(自身を除く): 47758976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 43, 80, 82, 86, 113, 160, 164, 172, 205, 215, 226, 328, 344, 410, 430, 452, 565, 656, 688, 820, 860, 904, 1130, 1312, 1376, 1640, 1720, 1763, 1808, 2260, 3280, 3440, 3526, 3616, 4520, 4633, 4859, 6560, 6880, 7052, 8815, 9040, 9266, 9718, 14104, 17630, 18080, 18532, 19436, 23165, 24295, 28208, 35260, 37064, 38872, 46330, 48590, 56416, 70520, 74128, 77744, 92660, 97180, 141040, 148256, 155488, 185320, 194360, 199219, 282080, 370640, 388720, 398438, 741280, 777440, 796876, 996095, 1593752, 1992190, 3187504, 3984380, 6375008, 7968760, 15937520, 31875040]

約数ペア:

[(1, 31875040), (2, 15937520), (4, 7968760), (5, 6375008), (8, 3984380), (10, 3187504), (16, 1992190), (20, 1593752), (32, 996095), (40, 796876), (41, 777440), (43, 741280), (80, 398438), (82, 388720), (86, 370640), (113, 282080), (160, 199219), (164, 194360), (172, 185320), (205, 155488), (215, 148256), (226, 141040), (328, 97180), (344, 92660), (410, 77744), (430, 74128), (452, 70520), (565, 56416), (656, 48590), (688, 46330), (820, 38872), (860, 37064), (904, 35260), (1130, 28208), (1312, 24295), (1376, 23165), (1640, 19436), (1720, 18532), (1763, 18080), (1808, 17630), (2260, 14104), (3280, 9718), (3440, 9266), (3526, 9040), (3616, 8815), (4520, 7052), (4633, 6880), (4859, 6560)]