21680826080

素因数分解:

$2^5\times 5^1\times {\mathrm{3089}}^1\times {\mathrm{43867}}^1$

素因数の和:46971

約数の個数: 48

約数和(自身を含む): 51238701360

約数和(自身を除く): 29557875280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 3089, 6178, 12356, 15445, 24712, 30890, 43867, 49424, 61780, 87734, 98848, 123560, 175468, 219335, 247120, 350936, 438670, 494240, 701872, 877340, 1403744, 1754680, 3509360, 7018720, 135505163, 271010326, 542020652, 677525815, 1084041304, 1355051630, 2168082608, 2710103260, 4336165216, 5420206520, 10840413040, 21680826080]

約数ペア:

[(1, 21680826080), (2, 10840413040), (4, 5420206520), (5, 4336165216), (8, 2710103260), (10, 2168082608), (16, 1355051630), (20, 1084041304), (32, 677525815), (40, 542020652), (80, 271010326), (160, 135505163), (3089, 7018720), (6178, 3509360), (12356, 1754680), (15445, 1403744), (24712, 877340), (30890, 701872), (43867, 494240), (49424, 438670), (61780, 350936), (87734, 247120), (98848, 219335), (123560, 175468)]