8077640

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2269}}^1$

素因数の和:2369

約数の個数: 32

約数和(自身を含む): 18387000

約数和(自身を除く): 10309360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 2269, 3560, 4538, 9076, 11345, 18152, 22690, 45380, 90760, 201941, 403882, 807764, 1009705, 1615528, 2019410, 4038820, 8077640]

約数ペア:

[(1, 8077640), (2, 4038820), (4, 2019410), (5, 1615528), (8, 1009705), (10, 807764), (20, 403882), (40, 201941), (89, 90760), (178, 45380), (356, 22690), (445, 18152), (712, 11345), (890, 9076), (1780, 4538), (2269, 3560)]