90666080

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{6367}}^1$

素因数の和:6471

約数の個数: 48

約数和(自身を含む): 216639360

約数和(自身を除く): 125973280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 6367, 7120, 12734, 14240, 25468, 31835, 50936, 63670, 101872, 127340, 203744, 254680, 509360, 566663, 1018720, 1133326, 2266652, 2833315, 4533304, 5666630, 9066608, 11333260, 18133216, 22666520, 45333040, 90666080]

約数ペア:

[(1, 90666080), (2, 45333040), (4, 22666520), (5, 18133216), (8, 11333260), (10, 9066608), (16, 5666630), (20, 4533304), (32, 2833315), (40, 2266652), (80, 1133326), (89, 1018720), (160, 566663), (178, 509360), (356, 254680), (445, 203744), (712, 127340), (890, 101872), (1424, 63670), (1780, 50936), (2848, 31835), (3560, 25468), (6367, 14240), (7120, 12734)]