423603640

素因数分解:

$2^3\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{5303}}^1$

素因数の和:7311

約数の個数: 32

約数和(自身を含む): 953765280

約数和(自身を除く): 530161640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1997, 3994, 5303, 7988, 9985, 10606, 15976, 19970, 21212, 26515, 39940, 42424, 53030, 79880, 106060, 212120, 10590091, 21180182, 42360364, 52950455, 84720728, 105900910, 211801820, 423603640]

約数ペア:

[(1, 423603640), (2, 211801820), (4, 105900910), (5, 84720728), (8, 52950455), (10, 42360364), (20, 21180182), (40, 10590091), (1997, 212120), (3994, 106060), (5303, 79880), (7988, 53030), (9985, 42424), (10606, 39940), (15976, 26515), (19970, 21212)]