68785520

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{16223}}^1$

素因数の和:16289

約数の個数: 40

約数和(自身を含む): 162953856

約数和(自身を除く): 94168336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 16223, 32446, 64892, 81115, 129784, 162230, 259568, 324460, 648920, 859819, 1297840, 1719638, 3439276, 4299095, 6878552, 8598190, 13757104, 17196380, 34392760, 68785520]

約数ペア:

[(1, 68785520), (2, 34392760), (4, 17196380), (5, 13757104), (8, 8598190), (10, 6878552), (16, 4299095), (20, 3439276), (40, 1719638), (53, 1297840), (80, 859819), (106, 648920), (212, 324460), (265, 259568), (424, 162230), (530, 129784), (848, 81115), (1060, 64892), (2120, 32446), (4240, 16223)]