80974160

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23539}}^1$

素因数の和:23595

約数の個数: 40

約数和(自身を含む): 192651360

約数和(自身を除く): 111677200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 23539, 47078, 94156, 117695, 188312, 235390, 376624, 470780, 941560, 1012177, 1883120, 2024354, 4048708, 5060885, 8097416, 10121770, 16194832, 20243540, 40487080, 80974160]

約数ペア:

[(1, 80974160), (2, 40487080), (4, 20243540), (5, 16194832), (8, 10121770), (10, 8097416), (16, 5060885), (20, 4048708), (40, 2024354), (43, 1883120), (80, 1012177), (86, 941560), (172, 470780), (215, 376624), (344, 235390), (430, 188312), (688, 117695), (860, 94156), (1720, 47078), (3440, 23539)]