4065920

素因数分解:

$2^7\times 5^1\times {\mathrm{6353}}^1$

素因数の和:6372

約数の個数: 32

約数和(自身を含む): 9721620

約数和(自身を除く): 5655700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 6353, 12706, 25412, 31765, 50824, 63530, 101648, 127060, 203296, 254120, 406592, 508240, 813184, 1016480, 2032960, 4065920]

約数ペア:

[(1, 4065920), (2, 2032960), (4, 1016480), (5, 813184), (8, 508240), (10, 406592), (16, 254120), (20, 203296), (32, 127060), (40, 101648), (64, 63530), (80, 50824), (128, 31765), (160, 25412), (320, 12706), (640, 6353)]