29872040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67891}}^1$

素因数の和:67913

約数の個数: 32

約数和(自身を含む): 73323360

約数和(自身を除く): 43451320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 67891, 135782, 271564, 339455, 543128, 678910, 746801, 1357820, 1493602, 2715640, 2987204, 3734005, 5974408, 7468010, 14936020, 29872040]

約数ペア:

[(1, 29872040), (2, 14936020), (4, 7468010), (5, 5974408), (8, 3734005), (10, 2987204), (11, 2715640), (20, 1493602), (22, 1357820), (40, 746801), (44, 678910), (55, 543128), (88, 339455), (110, 271564), (220, 135782), (440, 67891)]