2008381840

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{343901}}^1$

素因数の和:343987

約数の個数: 40

約数和(自身を含む): 4733467128

約数和(自身を除く): 2725085288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 343901, 687802, 1375604, 1719505, 2751208, 3439010, 5502416, 6878020, 13756040, 25104773, 27512080, 50209546, 100419092, 125523865, 200838184, 251047730, 401676368, 502095460, 1004190920, 2008381840]

約数ペア:

[(1, 2008381840), (2, 1004190920), (4, 502095460), (5, 401676368), (8, 251047730), (10, 200838184), (16, 125523865), (20, 100419092), (40, 50209546), (73, 27512080), (80, 25104773), (146, 13756040), (292, 6878020), (365, 5502416), (584, 3439010), (730, 2751208), (1168, 1719505), (1460, 1375604), (2920, 687802), (5840, 343901)]