39963340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1499}}^1$

素因数の和:1582

約数の個数: 48

約数和(自身を含む): 88704000

約数和(自身を除く): 48740660

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 215, 310, 430, 620, 860, 1333, 1499, 2666, 2998, 5332, 5996, 6665, 7495, 13330, 14990, 26660, 29980, 46469, 64457, 92938, 128914, 185876, 232345, 257828, 322285, 464690, 644570, 929380, 1289140, 1998167, 3996334, 7992668, 9990835, 19981670, 39963340]

約数ペア:

[(1, 39963340), (2, 19981670), (4, 9990835), (5, 7992668), (10, 3996334), (20, 1998167), (31, 1289140), (43, 929380), (62, 644570), (86, 464690), (124, 322285), (155, 257828), (172, 232345), (215, 185876), (310, 128914), (430, 92938), (620, 64457), (860, 46469), (1333, 29980), (1499, 26660), (2666, 14990), (2998, 13330), (5332, 7495), (5996, 6665)]