7159420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8731}}^1$

素因数の和:8781

約数の個数: 24

約数和(自身を含む): 15403248

約数和(自身を除く): 8243828

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 8731, 17462, 34924, 43655, 87310, 174620, 357971, 715942, 1431884, 1789855, 3579710, 7159420]

約数ペア:

[(1, 7159420), (2, 3579710), (4, 1789855), (5, 1431884), (10, 715942), (20, 357971), (41, 174620), (82, 87310), (164, 43655), (205, 34924), (410, 17462), (820, 8731)]