22070320

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2531}}^1$

素因数の和:2653

約数の個数: 40

約数和(自身を含む): 51804720

約数和(自身を除く): 29734400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 2531, 4360, 5062, 8720, 10124, 12655, 20248, 25310, 40496, 50620, 101240, 202480, 275879, 551758, 1103516, 1379395, 2207032, 2758790, 4414064, 5517580, 11035160, 22070320]

約数ペア:

[(1, 22070320), (2, 11035160), (4, 5517580), (5, 4414064), (8, 2758790), (10, 2207032), (16, 1379395), (20, 1103516), (40, 551758), (80, 275879), (109, 202480), (218, 101240), (436, 50620), (545, 40496), (872, 25310), (1090, 20248), (1744, 12655), (2180, 10124), (2531, 8720), (4360, 5062)]