8143340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 18561312

約数和(自身を除く): 10417972

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 557, 731, 860, 1114, 1462, 2228, 2785, 2924, 3655, 5570, 7310, 9469, 11140, 14620, 18938, 23951, 37876, 47345, 47902, 94690, 95804, 119755, 189380, 239510, 407167, 479020, 814334, 1628668, 2035835, 4071670, 8143340]

約数ペア:

[(1, 8143340), (2, 4071670), (4, 2035835), (5, 1628668), (10, 814334), (17, 479020), (20, 407167), (34, 239510), (43, 189380), (68, 119755), (85, 95804), (86, 94690), (170, 47902), (172, 47345), (215, 37876), (340, 23951), (430, 18938), (557, 14620), (731, 11140), (860, 9469), (1114, 7310), (1462, 5570), (2228, 3655), (2785, 2924)]