4204120

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1723}}^1$

素因数の和:1795

約数の個数: 32

約数和(自身を含む): 9619920

約数和(自身を除く): 5415800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 1723, 2440, 3446, 6892, 8615, 13784, 17230, 34460, 68920, 105103, 210206, 420412, 525515, 840824, 1051030, 2102060, 4204120]

約数ペア:

[(1, 4204120), (2, 2102060), (4, 1051030), (5, 840824), (8, 525515), (10, 420412), (20, 210206), (40, 105103), (61, 68920), (122, 34460), (244, 17230), (305, 13784), (488, 8615), (610, 6892), (1220, 3446), (1723, 2440)]