920856320

素因数分解:

$2^8\times 5^1\times {\mathrm{719419}}^1$

素因数の和:719440

約数の個数: 36

約数和(自身を含む): 2205741720

約数和(自身を除く): 1284885400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 719419, 1438838, 2877676, 3597095, 5755352, 7194190, 11510704, 14388380, 23021408, 28776760, 46042816, 57553520, 92085632, 115107040, 184171264, 230214080, 460428160, 920856320]

約数ペア:

[(1, 920856320), (2, 460428160), (4, 230214080), (5, 184171264), (8, 115107040), (10, 92085632), (16, 57553520), (20, 46042816), (32, 28776760), (40, 23021408), (64, 14388380), (80, 11510704), (128, 7194190), (160, 5755352), (256, 3597095), (320, 2877676), (640, 1438838), (1280, 719419)]