8782540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1987}}^1$

素因数の和:2026

約数の個数: 48

約数和(自身を含む): 21040992

約数和(自身を除く): 12258452

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 1987, 2210, 3974, 4420, 7948, 9935, 19870, 25831, 33779, 39740, 51662, 67558, 103324, 129155, 135116, 168895, 258310, 337790, 439127, 516620, 675580, 878254, 1756508, 2195635, 4391270, 8782540]

約数ペア:

[(1, 8782540), (2, 4391270), (4, 2195635), (5, 1756508), (10, 878254), (13, 675580), (17, 516620), (20, 439127), (26, 337790), (34, 258310), (52, 168895), (65, 135116), (68, 129155), (85, 103324), (130, 67558), (170, 51662), (221, 39740), (260, 33779), (340, 25831), (442, 19870), (884, 9935), (1105, 7948), (1987, 4420), (2210, 3974)]