208826120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{571}}^1$

素因数の和:846

約数の個数: 64

約数和(自身を含む): 484323840

約数和(自身を除く): 275497720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 223, 328, 410, 446, 571, 820, 892, 1115, 1142, 1640, 1784, 2230, 2284, 2855, 4460, 4568, 5710, 8920, 9143, 11420, 18286, 22840, 23411, 36572, 45715, 46822, 73144, 91430, 93644, 117055, 127333, 182860, 187288, 234110, 254666, 365720, 468220, 509332, 636665, 936440, 1018664, 1273330, 2546660, 5093320, 5220653, 10441306, 20882612, 26103265, 41765224, 52206530, 104413060, 208826120]

約数ペア:

[(1, 208826120), (2, 104413060), (4, 52206530), (5, 41765224), (8, 26103265), (10, 20882612), (20, 10441306), (40, 5220653), (41, 5093320), (82, 2546660), (164, 1273330), (205, 1018664), (223, 936440), (328, 636665), (410, 509332), (446, 468220), (571, 365720), (820, 254666), (892, 234110), (1115, 187288), (1142, 182860), (1640, 127333), (1784, 117055), (2230, 93644), (2284, 91430), (2855, 73144), (4460, 46822), (4568, 45715), (5710, 36572), (8920, 23411), (9143, 22840), (11420, 18286)]