41178520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 96228000

約数和(自身を除く): 55049480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 89, 172, 178, 215, 269, 344, 356, 430, 445, 538, 712, 860, 890, 1076, 1345, 1720, 1780, 2152, 2690, 3560, 3827, 5380, 7654, 10760, 11567, 15308, 19135, 23134, 23941, 30616, 38270, 46268, 47882, 57835, 76540, 92536, 95764, 115670, 119705, 153080, 191528, 231340, 239410, 462680, 478820, 957640, 1029463, 2058926, 4117852, 5147315, 8235704, 10294630, 20589260, 41178520]

約数ペア:

[(1, 41178520), (2, 20589260), (4, 10294630), (5, 8235704), (8, 5147315), (10, 4117852), (20, 2058926), (40, 1029463), (43, 957640), (86, 478820), (89, 462680), (172, 239410), (178, 231340), (215, 191528), (269, 153080), (344, 119705), (356, 115670), (430, 95764), (445, 92536), (538, 76540), (712, 57835), (860, 47882), (890, 46268), (1076, 38270), (1345, 30616), (1720, 23941), (1780, 23134), (2152, 19135), (2690, 15308), (3560, 11567), (3827, 10760), (5380, 7654)]