7281020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4987}}^1$

素因数の和:5069

約数の個数: 24

約数和(自身を含む): 15502704

約数和(自身を除く): 8221684

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 4987, 9974, 19948, 24935, 49870, 99740, 364051, 728102, 1456204, 1820255, 3640510, 7281020]

約数ペア:

[(1, 7281020), (2, 3640510), (4, 1820255), (5, 1456204), (10, 728102), (20, 364051), (73, 99740), (146, 49870), (292, 24935), (365, 19948), (730, 9974), (1460, 4987)]