27208840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40013}}^1$

素因数の和:40041

約数の個数: 32

約数和(自身を含む): 64822680

約数和(自身を除く): 37613840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 40013, 80026, 160052, 200065, 320104, 400130, 680221, 800260, 1360442, 1600520, 2720884, 3401105, 5441768, 6802210, 13604420, 27208840]

約数ペア:

[(1, 27208840), (2, 13604420), (4, 6802210), (5, 5441768), (8, 3401105), (10, 2720884), (17, 1600520), (20, 1360442), (34, 800260), (40, 680221), (68, 400130), (85, 320104), (136, 200065), (170, 160052), (340, 80026), (680, 40013)]