2066480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1987}}^1$

素因数の和:2013

約数の個数: 40

約数和(自身を含む): 5176752

約数和(自身を除く): 3110272

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1987, 3974, 7948, 9935, 15896, 19870, 25831, 31792, 39740, 51662, 79480, 103324, 129155, 158960, 206648, 258310, 413296, 516620, 1033240, 2066480]

約数ペア:

[(1, 2066480), (2, 1033240), (4, 516620), (5, 413296), (8, 258310), (10, 206648), (13, 158960), (16, 129155), (20, 103324), (26, 79480), (40, 51662), (52, 39740), (65, 31792), (80, 25831), (104, 19870), (130, 15896), (208, 9935), (260, 7948), (520, 3974), (1040, 1987)]