104852920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{60961}}^1$

素因数の和:61015

約数の個数: 32

約数和(自身を含む): 241409520

約数和(自身を除く): 136556600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 60961, 121922, 243844, 304805, 487688, 609610, 1219220, 2438440, 2621323, 5242646, 10485292, 13106615, 20970584, 26213230, 52426460, 104852920]

約数ペア:

[(1, 104852920), (2, 52426460), (4, 26213230), (5, 20970584), (8, 13106615), (10, 10485292), (20, 5242646), (40, 2621323), (43, 2438440), (86, 1219220), (172, 609610), (215, 487688), (344, 304805), (430, 243844), (860, 121922), (1720, 60961)]