83220520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{29303}}^1$

素因数の和:29385

約数の個数: 32

約数和(自身を含む): 189889920

約数和(自身を除く): 106669400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 29303, 58606, 117212, 146515, 234424, 293030, 586060, 1172120, 2080513, 4161026, 8322052, 10402565, 16644104, 20805130, 41610260, 83220520]

約数ペア:

[(1, 83220520), (2, 41610260), (4, 20805130), (5, 16644104), (8, 10402565), (10, 8322052), (20, 4161026), (40, 2080513), (71, 1172120), (142, 586060), (284, 293030), (355, 234424), (568, 146515), (710, 117212), (1420, 58606), (2840, 29303)]