212585840

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{33637}}^1$

素因数の和:33729

約数の個数: 40

約数和(自身を含む): 500533440

約数和(自身を除く): 287947600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 33637, 67274, 134548, 168185, 269096, 336370, 538192, 672740, 1345480, 2657323, 2690960, 5314646, 10629292, 13286615, 21258584, 26573230, 42517168, 53146460, 106292920, 212585840]

約数ペア:

[(1, 212585840), (2, 106292920), (4, 53146460), (5, 42517168), (8, 26573230), (10, 21258584), (16, 13286615), (20, 10629292), (40, 5314646), (79, 2690960), (80, 2657323), (158, 1345480), (316, 672740), (395, 538192), (632, 336370), (790, 269096), (1264, 168185), (1580, 134548), (3160, 67274), (6320, 33637)]