145809320

素因数分解:

$2^3\times 5^1\times {\mathrm{907}}^1\times {\mathrm{4019}}^1$

素因数の和:4937

約数の個数: 32

約数和(自身を含む): 328514400

約数和(自身を除く): 182705080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 907, 1814, 3628, 4019, 4535, 7256, 8038, 9070, 16076, 18140, 20095, 32152, 36280, 40190, 80380, 160760, 3645233, 7290466, 14580932, 18226165, 29161864, 36452330, 72904660, 145809320]

約数ペア:

[(1, 145809320), (2, 72904660), (4, 36452330), (5, 29161864), (8, 18226165), (10, 14580932), (20, 7290466), (40, 3645233), (907, 160760), (1814, 80380), (3628, 40190), (4019, 36280), (4535, 32152), (7256, 20095), (8038, 18140), (9070, 16076)]