285750320

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{87119}}^1$

素因数の和:87173

約数の個数: 40

約数和(自身を含む): 680581440

約数和(自身を除く): 394831120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 87119, 174238, 348476, 435595, 696952, 871190, 1393904, 1742380, 3484760, 3571879, 6969520, 7143758, 14287516, 17859395, 28575032, 35718790, 57150064, 71437580, 142875160, 285750320]

約数ペア:

[(1, 285750320), (2, 142875160), (4, 71437580), (5, 57150064), (8, 35718790), (10, 28575032), (16, 17859395), (20, 14287516), (40, 7143758), (41, 6969520), (80, 3571879), (82, 3484760), (164, 1742380), (205, 1393904), (328, 871190), (410, 696952), (656, 435595), (820, 348476), (1640, 174238), (3280, 87119)]