156987140

素因数分解:

$2^2\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{7703}}^1$

素因数の和:8731

約数の個数: 24

約数和(自身を含む): 330039360

約数和(自身を除く): 173052220

約数列:

[1, 2, 4, 5, 10, 20, 1019, 2038, 4076, 5095, 7703, 10190, 15406, 20380, 30812, 38515, 77030, 154060, 7849357, 15698714, 31397428, 39246785, 78493570, 156987140]

約数ペア:

[(1, 156987140), (2, 78493570), (4, 39246785), (5, 31397428), (10, 15698714), (20, 7849357), (1019, 154060), (2038, 77030), (4076, 38515), (5095, 30812), (7703, 20380), (10190, 15406)]