2779040

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1579}}^1$

素因数の和:1605

約数の個数: 48

約数和(自身を含む): 7166880

約数和(自身を除く): 4387840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1579, 1760, 3158, 6316, 7895, 12632, 15790, 17369, 25264, 31580, 34738, 50528, 63160, 69476, 86845, 126320, 138952, 173690, 252640, 277904, 347380, 555808, 694760, 1389520, 2779040]

約数ペア:

[(1, 2779040), (2, 1389520), (4, 694760), (5, 555808), (8, 347380), (10, 277904), (11, 252640), (16, 173690), (20, 138952), (22, 126320), (32, 86845), (40, 69476), (44, 63160), (55, 50528), (80, 34738), (88, 31580), (110, 25264), (160, 17369), (176, 15790), (220, 12632), (352, 7895), (440, 6316), (880, 3158), (1579, 1760)]