40987620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{25301}}^1$

素因数の和:25322

約数の個数: 60

約数和(自身を含む): 128584764

約数和(自身を除く): 87597144

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 25301, 50602, 75903, 101204, 126505, 151806, 227709, 253010, 303612, 379515, 455418, 506020, 683127, 759030, 910836, 1138545, 1366254, 1518060, 2049381, 2277090, 2732508, 3415635, 4098762, 4554180, 6831270, 8197524, 10246905, 13662540, 20493810, 40987620]

約数ペア:

[(1, 40987620), (2, 20493810), (3, 13662540), (4, 10246905), (5, 8197524), (6, 6831270), (9, 4554180), (10, 4098762), (12, 3415635), (15, 2732508), (18, 2277090), (20, 2049381), (27, 1518060), (30, 1366254), (36, 1138545), (45, 910836), (54, 759030), (60, 683127), (81, 506020), (90, 455418), (108, 379515), (135, 303612), (162, 253010), (180, 227709), (270, 151806), (324, 126505), (405, 101204), (540, 75903), (810, 50602), (1620, 25301)]