66675520

素因数分解:

$2^6\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1499}}^1$

素因数の和:1655

約数の個数: 56

約数和(自身を含む): 160020000

約数和(自身を除く): 93344480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 139, 160, 278, 320, 556, 695, 1112, 1390, 1499, 2224, 2780, 2998, 4448, 5560, 5996, 7495, 8896, 11120, 11992, 14990, 22240, 23984, 29980, 44480, 47968, 59960, 95936, 119920, 208361, 239840, 416722, 479680, 833444, 1041805, 1666888, 2083610, 3333776, 4167220, 6667552, 8334440, 13335104, 16668880, 33337760, 66675520]

約数ペア:

[(1, 66675520), (2, 33337760), (4, 16668880), (5, 13335104), (8, 8334440), (10, 6667552), (16, 4167220), (20, 3333776), (32, 2083610), (40, 1666888), (64, 1041805), (80, 833444), (139, 479680), (160, 416722), (278, 239840), (320, 208361), (556, 119920), (695, 95936), (1112, 59960), (1390, 47968), (1499, 44480), (2224, 29980), (2780, 23984), (2998, 22240), (4448, 14990), (5560, 11992), (5996, 11120), (7495, 8896)]