25486960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 62853120

約数和(自身を除く): 37366160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 80, 86, 124, 155, 172, 215, 239, 248, 310, 344, 430, 478, 496, 620, 688, 860, 956, 1195, 1240, 1333, 1720, 1912, 2390, 2480, 2666, 3440, 3824, 4780, 5332, 6665, 7409, 9560, 10277, 10664, 13330, 14818, 19120, 20554, 21328, 26660, 29636, 37045, 41108, 51385, 53320, 59272, 74090, 82216, 102770, 106640, 118544, 148180, 164432, 205540, 296360, 318587, 411080, 592720, 637174, 822160, 1274348, 1592935, 2548696, 3185870, 5097392, 6371740, 12743480, 25486960]

約数ペア:

[(1, 25486960), (2, 12743480), (4, 6371740), (5, 5097392), (8, 3185870), (10, 2548696), (16, 1592935), (20, 1274348), (31, 822160), (40, 637174), (43, 592720), (62, 411080), (80, 318587), (86, 296360), (124, 205540), (155, 164432), (172, 148180), (215, 118544), (239, 106640), (248, 102770), (310, 82216), (344, 74090), (430, 59272), (478, 53320), (496, 51385), (620, 41108), (688, 37045), (860, 29636), (956, 26660), (1195, 21328), (1240, 20554), (1333, 19120), (1720, 14818), (1912, 13330), (2390, 10664), (2480, 10277), (2666, 9560), (3440, 7409), (3824, 6665), (4780, 5332)]