628120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 1451520

約数和(自身を除く): 823400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 383, 410, 766, 820, 1532, 1640, 1915, 3064, 3830, 7660, 15320, 15703, 31406, 62812, 78515, 125624, 157030, 314060, 628120]

約数ペア:

[(1, 628120), (2, 314060), (4, 157030), (5, 125624), (8, 78515), (10, 62812), (20, 31406), (40, 15703), (41, 15320), (82, 7660), (164, 3830), (205, 3064), (328, 1915), (383, 1640), (410, 1532), (766, 820)]