624020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{761}}^1$

素因数の和:811

約数の個数: 24

約数和(自身を含む): 1344168

約数和(自身を除く): 720148

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 761, 820, 1522, 3044, 3805, 7610, 15220, 31201, 62402, 124804, 156005, 312010, 624020]

約数ペア:

[(1, 624020), (2, 312010), (4, 156005), (5, 124804), (10, 62402), (20, 31201), (41, 15220), (82, 7610), (164, 3805), (205, 3044), (410, 1522), (761, 820)]