85456460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{409}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 186251520

約数和(自身を除く): 100795060

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 337, 409, 620, 674, 818, 1348, 1636, 1685, 2045, 3370, 4090, 6740, 8180, 10447, 12679, 20894, 25358, 41788, 50716, 52235, 63395, 104470, 126790, 137833, 208940, 253580, 275666, 551332, 689165, 1378330, 2756660, 4272823, 8545646, 17091292, 21364115, 42728230, 85456460]

約数ペア:

[(1, 85456460), (2, 42728230), (4, 21364115), (5, 17091292), (10, 8545646), (20, 4272823), (31, 2756660), (62, 1378330), (124, 689165), (155, 551332), (310, 275666), (337, 253580), (409, 208940), (620, 137833), (674, 126790), (818, 104470), (1348, 63395), (1636, 52235), (1685, 50716), (2045, 41788), (3370, 25358), (4090, 20894), (6740, 12679), (8180, 10447)]