12655280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:294

約数の個数: 80

約数和(自身を含む): 32703264

約数和(自身を除く): 20047984

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 73, 80, 88, 110, 146, 176, 197, 220, 292, 365, 394, 440, 584, 730, 788, 803, 880, 985, 1168, 1460, 1576, 1606, 1970, 2167, 2920, 3152, 3212, 3940, 4015, 4334, 5840, 6424, 7880, 8030, 8668, 10835, 12848, 14381, 15760, 16060, 17336, 21670, 28762, 32120, 34672, 43340, 57524, 64240, 71905, 86680, 115048, 143810, 158191, 173360, 230096, 287620, 316382, 575240, 632764, 790955, 1150480, 1265528, 1581910, 2531056, 3163820, 6327640, 12655280]

約数ペア:

[(1, 12655280), (2, 6327640), (4, 3163820), (5, 2531056), (8, 1581910), (10, 1265528), (11, 1150480), (16, 790955), (20, 632764), (22, 575240), (40, 316382), (44, 287620), (55, 230096), (73, 173360), (80, 158191), (88, 143810), (110, 115048), (146, 86680), (176, 71905), (197, 64240), (220, 57524), (292, 43340), (365, 34672), (394, 32120), (440, 28762), (584, 21670), (730, 17336), (788, 16060), (803, 15760), (880, 14381), (985, 12848), (1168, 10835), (1460, 8668), (1576, 8030), (1606, 7880), (1970, 6424), (2167, 5840), (2920, 4334), (3152, 4015), (3212, 3940)]