1377880040

素因数分解:

$2^3\times 5^1\times {\mathrm{4507}}^1\times {\mathrm{7643}}^1$

素因数の和:12161

約数の個数: 32

約数和(自身を含む): 3101323680

約数和(自身を除く): 1723443640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4507, 7643, 9014, 15286, 18028, 22535, 30572, 36056, 38215, 45070, 61144, 76430, 90140, 152860, 180280, 305720, 34447001, 68894002, 137788004, 172235005, 275576008, 344470010, 688940020, 1377880040]

約数ペア:

[(1, 1377880040), (2, 688940020), (4, 344470010), (5, 275576008), (8, 172235005), (10, 137788004), (20, 68894002), (40, 34447001), (4507, 305720), (7643, 180280), (9014, 152860), (15286, 90140), (18028, 76430), (22535, 61144), (30572, 45070), (36056, 38215)]