66755980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^2\times {\mathrm{1511}}^1$

素因数の和:1614

約数の個数: 36

約数和(自身を含む): 143328528

約数和(自身を除く): 76572548

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 1511, 2209, 3022, 4418, 6044, 7555, 8836, 11045, 15110, 22090, 30220, 44180, 71017, 142034, 284068, 355085, 710170, 1420340, 3337799, 6675598, 13351196, 16688995, 33377990, 66755980]

約数ペア:

[(1, 66755980), (2, 33377990), (4, 16688995), (5, 13351196), (10, 6675598), (20, 3337799), (47, 1420340), (94, 710170), (188, 355085), (235, 284068), (470, 142034), (940, 71017), (1511, 44180), (2209, 30220), (3022, 22090), (4418, 15110), (6044, 11045), (7555, 8836)]