5247440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:180

約数の個数: 80

約数和(自身を含む): 13659840

約数和(自身を除く): 8412400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 67, 80, 88, 89, 110, 134, 176, 178, 220, 268, 335, 356, 440, 445, 536, 670, 712, 737, 880, 890, 979, 1072, 1340, 1424, 1474, 1780, 1958, 2680, 2948, 3560, 3685, 3916, 4895, 5360, 5896, 5963, 7120, 7370, 7832, 9790, 11792, 11926, 14740, 15664, 19580, 23852, 29480, 29815, 39160, 47704, 58960, 59630, 65593, 78320, 95408, 119260, 131186, 238520, 262372, 327965, 477040, 524744, 655930, 1049488, 1311860, 2623720, 5247440]

約数ペア:

[(1, 5247440), (2, 2623720), (4, 1311860), (5, 1049488), (8, 655930), (10, 524744), (11, 477040), (16, 327965), (20, 262372), (22, 238520), (40, 131186), (44, 119260), (55, 95408), (67, 78320), (80, 65593), (88, 59630), (89, 58960), (110, 47704), (134, 39160), (176, 29815), (178, 29480), (220, 23852), (268, 19580), (335, 15664), (356, 14740), (440, 11926), (445, 11792), (536, 9790), (670, 7832), (712, 7370), (737, 7120), (880, 5963), (890, 5896), (979, 5360), (1072, 4895), (1340, 3916), (1424, 3685), (1474, 3560), (1780, 2948), (1958, 2680)]