3278360

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1999}}^1$

素因数の和:2051

約数の個数: 32

約数和(自身を含む): 7560000

約数和(自身を除く): 4281640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1999, 3998, 7996, 9995, 15992, 19990, 39980, 79960, 81959, 163918, 327836, 409795, 655672, 819590, 1639180, 3278360]

約数ペア:

[(1, 3278360), (2, 1639180), (4, 819590), (5, 655672), (8, 409795), (10, 327836), (20, 163918), (40, 81959), (41, 79960), (82, 39980), (164, 19990), (205, 15992), (328, 9995), (410, 7996), (820, 3998), (1640, 1999)]