66465740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{761}}^1$

素因数の和:1178

約数の個数: 48

約数和(自身を含む): 152851104

約数和(自身を除く): 86385364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 397, 761, 794, 1522, 1588, 1985, 3044, 3805, 3970, 4367, 7610, 7940, 8371, 8734, 15220, 16742, 17468, 21835, 33484, 41855, 43670, 83710, 87340, 167420, 302117, 604234, 1208468, 1510585, 3021170, 3323287, 6042340, 6646574, 13293148, 16616435, 33232870, 66465740]

約数ペア:

[(1, 66465740), (2, 33232870), (4, 16616435), (5, 13293148), (10, 6646574), (11, 6042340), (20, 3323287), (22, 3021170), (44, 1510585), (55, 1208468), (110, 604234), (220, 302117), (397, 167420), (761, 87340), (794, 83710), (1522, 43670), (1588, 41855), (1985, 33484), (3044, 21835), (3805, 17468), (3970, 16742), (4367, 15220), (7610, 8734), (7940, 8371)]