69668120

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{3343}}^1$

素因数の和:3875

約数の個数: 32

約数和(自身を含む): 157101120

約数和(自身を除く): 87433000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 2084, 2605, 3343, 4168, 5210, 6686, 10420, 13372, 16715, 20840, 26744, 33430, 66860, 133720, 1741703, 3483406, 6966812, 8708515, 13933624, 17417030, 34834060, 69668120]

約数ペア:

[(1, 69668120), (2, 34834060), (4, 17417030), (5, 13933624), (8, 8708515), (10, 6966812), (20, 3483406), (40, 1741703), (521, 133720), (1042, 66860), (2084, 33430), (2605, 26744), (3343, 20840), (4168, 16715), (5210, 13372), (6686, 10420)]