53400520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18803}}^1$

素因数の和:18885

約数の個数: 32

約数和(自身を含む): 121849920

約数和(自身を除く): 68449400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 18803, 37606, 75212, 94015, 150424, 188030, 376060, 752120, 1335013, 2670026, 5340052, 6675065, 10680104, 13350130, 26700260, 53400520]

約数ペア:

[(1, 53400520), (2, 26700260), (4, 13350130), (5, 10680104), (8, 6675065), (10, 5340052), (20, 2670026), (40, 1335013), (71, 752120), (142, 376060), (284, 188030), (355, 150424), (568, 94015), (710, 75212), (1420, 37606), (2840, 18803)]