4400120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2683}}^1$

素因数の和:2735

約数の個数: 32

約数和(自身を含む): 10145520

約数和(自身を除く): 5745400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 2683, 5366, 10732, 13415, 21464, 26830, 53660, 107320, 110003, 220006, 440012, 550015, 880024, 1100030, 2200060, 4400120]

約数ペア:

[(1, 4400120), (2, 2200060), (4, 1100030), (5, 880024), (8, 550015), (10, 440012), (20, 220006), (40, 110003), (41, 107320), (82, 53660), (164, 26830), (205, 21464), (328, 13415), (410, 10732), (820, 5366), (1640, 2683)]