13303340

素因数分解:

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

素因数の和:582

約数の個数: 48

約数和(自身を含む): 29568000

約数和(自身を除く): 16264660

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 215, 310, 430, 499, 620, 860, 998, 1333, 1996, 2495, 2666, 4990, 5332, 6665, 9980, 13330, 15469, 21457, 26660, 30938, 42914, 61876, 77345, 85828, 107285, 154690, 214570, 309380, 429140, 665167, 1330334, 2660668, 3325835, 6651670, 13303340]

約数ペア:

[(1, 13303340), (2, 6651670), (4, 3325835), (5, 2660668), (10, 1330334), (20, 665167), (31, 429140), (43, 309380), (62, 214570), (86, 154690), (124, 107285), (155, 85828), (172, 77345), (215, 61876), (310, 42914), (430, 30938), (499, 26660), (620, 21457), (860, 15469), (998, 13330), (1333, 9980), (1996, 6665), (2495, 5332), (2666, 4990)]