8213440

素因数分解:

$2^6\times 5^1\times {\mathrm{25667}}^1$

素因数の和:25684

約数の個数: 28

約数和(自身を含む): 19559016

約数和(自身を除く): 11345576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 25667, 51334, 102668, 128335, 205336, 256670, 410672, 513340, 821344, 1026680, 1642688, 2053360, 4106720, 8213440]

約数ペア:

[(1, 8213440), (2, 4106720), (4, 2053360), (5, 1642688), (8, 1026680), (10, 821344), (16, 513340), (20, 410672), (32, 256670), (40, 205336), (64, 128335), (80, 102668), (160, 51334), (320, 25667)]