80157280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{71569}}^1$

素因数の和:71591

約数の個数: 48

約数和(自身を含む): 216427680

約数和(自身を除く): 136270400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 71569, 143138, 286276, 357845, 500983, 572552, 715690, 1001966, 1145104, 1431380, 2003932, 2290208, 2504915, 2862760, 4007864, 5009830, 5725520, 8015728, 10019660, 11451040, 16031456, 20039320, 40078640, 80157280]

約数ペア:

[(1, 80157280), (2, 40078640), (4, 20039320), (5, 16031456), (7, 11451040), (8, 10019660), (10, 8015728), (14, 5725520), (16, 5009830), (20, 4007864), (28, 2862760), (32, 2504915), (35, 2290208), (40, 2003932), (56, 1431380), (70, 1145104), (80, 1001966), (112, 715690), (140, 572552), (160, 500983), (224, 357845), (280, 286276), (560, 143138), (1120, 71569)]