402465320

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{89041}}^1$

素因数の和:89165

約数の個数: 32

約数和(自身を含む): 913570920

約数和(自身を除く): 511105600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 89041, 178082, 356164, 445205, 712328, 890410, 1780820, 3561640, 10061633, 20123266, 40246532, 50308165, 80493064, 100616330, 201232660, 402465320]

約数ペア:

[(1, 402465320), (2, 201232660), (4, 100616330), (5, 80493064), (8, 50308165), (10, 40246532), (20, 20123266), (40, 10061633), (113, 3561640), (226, 1780820), (452, 890410), (565, 712328), (904, 445205), (1130, 356164), (2260, 178082), (4520, 89041)]