86866640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{155119}}^1$

素因数の和:155139

約数の個数: 40

約数和(自身を含む): 230818560

約数和(自身を除く): 143951920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 155119, 310238, 620476, 775595, 1085833, 1240952, 1551190, 2171666, 2481904, 3102380, 4343332, 5429165, 6204760, 8686664, 10858330, 12409520, 17373328, 21716660, 43433320, 86866640]

約数ペア:

[(1, 86866640), (2, 43433320), (4, 21716660), (5, 17373328), (7, 12409520), (8, 10858330), (10, 8686664), (14, 6204760), (16, 5429165), (20, 4343332), (28, 3102380), (35, 2481904), (40, 2171666), (56, 1551190), (70, 1240952), (80, 1085833), (112, 775595), (140, 620476), (280, 310238), (560, 155119)]