212080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1$

素因数の和:265

約数の個数: 40

約数和(自身を含む): 540144

約数和(自身を除く): 328064

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 241, 440, 482, 880, 964, 1205, 1928, 2410, 2651, 3856, 4820, 5302, 9640, 10604, 13255, 19280, 21208, 26510, 42416, 53020, 106040, 212080]

約数ペア:

[(1, 212080), (2, 106040), (4, 53020), (5, 42416), (8, 26510), (10, 21208), (11, 19280), (16, 13255), (20, 10604), (22, 9640), (40, 5302), (44, 4820), (55, 3856), (80, 2651), (88, 2410), (110, 1928), (176, 1205), (220, 964), (241, 880), (440, 482)]