24780220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{72883}}^1$

素因数の和:72909

約数の個数: 24

約数和(自身を含む): 55100304

約数和(自身を除く): 30320084

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 72883, 145766, 291532, 364415, 728830, 1239011, 1457660, 2478022, 4956044, 6195055, 12390110, 24780220]

約数ペア:

[(1, 24780220), (2, 12390110), (4, 6195055), (5, 4956044), (10, 2478022), (17, 1457660), (20, 1239011), (34, 728830), (68, 364415), (85, 291532), (170, 145766), (340, 72883)]