142040

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:131

約数の個数: 32

約数和(自身を含む): 330480

約数和(自身を除く): 188440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 67, 106, 134, 212, 265, 268, 335, 424, 530, 536, 670, 1060, 1340, 2120, 2680, 3551, 7102, 14204, 17755, 28408, 35510, 71020, 142040]

約数ペア:

[(1, 142040), (2, 71020), (4, 35510), (5, 28408), (8, 17755), (10, 14204), (20, 7102), (40, 3551), (53, 2680), (67, 2120), (106, 1340), (134, 1060), (212, 670), (265, 536), (268, 530), (335, 424)]