1038565520

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{31741}}^1$

素因数の和:32163

約数の個数: 40

約数和(自身を含む): 2420644920

約数和(自身を除く): 1382079400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 1636, 2045, 3272, 4090, 6544, 8180, 16360, 31741, 32720, 63482, 126964, 158705, 253928, 317410, 507856, 634820, 1269640, 2539280, 12982069, 25964138, 51928276, 64910345, 103856552, 129820690, 207713104, 259641380, 519282760, 1038565520]

約数ペア:

[(1, 1038565520), (2, 519282760), (4, 259641380), (5, 207713104), (8, 129820690), (10, 103856552), (16, 64910345), (20, 51928276), (40, 25964138), (80, 12982069), (409, 2539280), (818, 1269640), (1636, 634820), (2045, 507856), (3272, 317410), (4090, 253928), (6544, 158705), (8180, 126964), (16360, 63482), (31741, 32720)]