8045420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23663}}^1$

素因数の和:23689

約数の個数: 24

約数和(自身を含む): 17889984

約数和(自身を除く): 9844564

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 23663, 47326, 94652, 118315, 236630, 402271, 473260, 804542, 1609084, 2011355, 4022710, 8045420]

約数ペア:

[(1, 8045420), (2, 4022710), (4, 2011355), (5, 1609084), (10, 804542), (17, 473260), (20, 402271), (34, 236630), (68, 118315), (85, 94652), (170, 47326), (340, 23663)]