79841540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1\times {\mathrm{353}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 172706688

約数和(自身を除く): 92865148

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 263, 353, 430, 526, 706, 860, 1052, 1315, 1412, 1765, 2630, 3530, 5260, 7060, 11309, 15179, 22618, 30358, 45236, 56545, 60716, 75895, 92839, 113090, 151790, 185678, 226180, 303580, 371356, 464195, 928390, 1856780, 3992077, 7984154, 15968308, 19960385, 39920770, 79841540]

約数ペア:

[(1, 79841540), (2, 39920770), (4, 19960385), (5, 15968308), (10, 7984154), (20, 3992077), (43, 1856780), (86, 928390), (172, 464195), (215, 371356), (263, 303580), (353, 226180), (430, 185678), (526, 151790), (706, 113090), (860, 92839), (1052, 75895), (1315, 60716), (1412, 56545), (1765, 45236), (2630, 30358), (3530, 22618), (5260, 15179), (7060, 11309)]