1411220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1721}}^1$

素因数の和:1771

約数の個数: 24

約数和(自身を含む): 3037608

約数和(自身を除く): 1626388

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1721, 3442, 6884, 8605, 17210, 34420, 70561, 141122, 282244, 352805, 705610, 1411220]

約数ペア:

[(1, 1411220), (2, 705610), (4, 352805), (5, 282244), (10, 141122), (20, 70561), (41, 34420), (82, 17210), (164, 8605), (205, 6884), (410, 3442), (820, 1721)]