81503380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{582167}}^1$

素因数の和:582183

約数の個数: 24

約数和(自身を含む): 195608448

約数和(自身を除く): 114105068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 582167, 1164334, 2328668, 2910835, 4075169, 5821670, 8150338, 11643340, 16300676, 20375845, 40751690, 81503380]

約数ペア:

[(1, 81503380), (2, 40751690), (4, 20375845), (5, 16300676), (7, 11643340), (10, 8150338), (14, 5821670), (20, 4075169), (28, 2910835), (35, 2328668), (70, 1164334), (140, 582167)]