980941840

素因数分解:

$2^4\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{9587}}^1$

素因数の和:10879

約数の個数: 40

約数和(自身を含む): 2282711040

約数和(自身を除く): 1301769200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1279, 2558, 5116, 6395, 9587, 10232, 12790, 19174, 20464, 25580, 38348, 47935, 51160, 76696, 95870, 102320, 153392, 191740, 383480, 766960, 12261773, 24523546, 49047092, 61308865, 98094184, 122617730, 196188368, 245235460, 490470920, 980941840]

約数ペア:

[(1, 980941840), (2, 490470920), (4, 245235460), (5, 196188368), (8, 122617730), (10, 98094184), (16, 61308865), (20, 49047092), (40, 24523546), (80, 12261773), (1279, 766960), (2558, 383480), (5116, 191740), (6395, 153392), (9587, 102320), (10232, 95870), (12790, 76696), (19174, 51160), (20464, 47935), (25580, 38348)]