26606680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:584

約数の個数: 64

約数和(自身を含む): 63360000

約数和(自身を除く): 36753320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 499, 620, 860, 998, 1240, 1333, 1720, 1996, 2495, 2666, 3992, 4990, 5332, 6665, 9980, 10664, 13330, 15469, 19960, 21457, 26660, 30938, 42914, 53320, 61876, 77345, 85828, 107285, 123752, 154690, 171656, 214570, 309380, 429140, 618760, 665167, 858280, 1330334, 2660668, 3325835, 5321336, 6651670, 13303340, 26606680]

約数ペア:

[(1, 26606680), (2, 13303340), (4, 6651670), (5, 5321336), (8, 3325835), (10, 2660668), (20, 1330334), (31, 858280), (40, 665167), (43, 618760), (62, 429140), (86, 309380), (124, 214570), (155, 171656), (172, 154690), (215, 123752), (248, 107285), (310, 85828), (344, 77345), (430, 61876), (499, 53320), (620, 42914), (860, 30938), (998, 26660), (1240, 21457), (1333, 19960), (1720, 15469), (1996, 13330), (2495, 10664), (2666, 9980), (3992, 6665), (4990, 5332)]