66493520

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{28661}}^1$

素因数の和:28703

約数の個数: 40

約数和(自身を含む): 159933960

約数和(自身を除く): 93440440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 28661, 57322, 114644, 143305, 229288, 286610, 458576, 573220, 831169, 1146440, 1662338, 2292880, 3324676, 4155845, 6649352, 8311690, 13298704, 16623380, 33246760, 66493520]

約数ペア:

[(1, 66493520), (2, 33246760), (4, 16623380), (5, 13298704), (8, 8311690), (10, 6649352), (16, 4155845), (20, 3324676), (29, 2292880), (40, 1662338), (58, 1146440), (80, 831169), (116, 573220), (145, 458576), (232, 286610), (290, 229288), (464, 143305), (580, 114644), (1160, 57322), (2320, 28661)]