32128120

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{2003}}^1$

素因数の和:2415

約数の個数: 32

約数和(自身を含む): 72504720

約数和(自身を除く): 40376600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2003, 2005, 3208, 4006, 4010, 8012, 8020, 10015, 16024, 16040, 20030, 40060, 80120, 803203, 1606406, 3212812, 4016015, 6425624, 8032030, 16064060, 32128120]

約数ペア:

[(1, 32128120), (2, 16064060), (4, 8032030), (5, 6425624), (8, 4016015), (10, 3212812), (20, 1606406), (40, 803203), (401, 80120), (802, 40060), (1604, 20030), (2003, 16040), (2005, 16024), (3208, 10015), (4006, 8020), (4010, 8012)]