1840420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5413}}^1$

素因数の和:5439

約数の個数: 24

約数和(自身を含む): 4092984

約数和(自身を除く): 2252564

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 5413, 10826, 21652, 27065, 54130, 92021, 108260, 184042, 368084, 460105, 920210, 1840420]

約数ペア:

[(1, 1840420), (2, 920210), (4, 460105), (5, 368084), (10, 184042), (17, 108260), (20, 92021), (34, 54130), (68, 27065), (85, 21652), (170, 10826), (340, 5413)]