126312920

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{13103}}^1$

素因数の和:13355

約数の個数: 32

約数和(自身を含む): 285405120

約数和(自身を除く): 159092200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 9640, 13103, 26206, 52412, 65515, 104824, 131030, 262060, 524120, 3157823, 6315646, 12631292, 15789115, 25262584, 31578230, 63156460, 126312920]

約数ペア:

[(1, 126312920), (2, 63156460), (4, 31578230), (5, 25262584), (8, 15789115), (10, 12631292), (20, 6315646), (40, 3157823), (241, 524120), (482, 262060), (964, 131030), (1205, 104824), (1928, 65515), (2410, 52412), (4820, 26206), (9640, 13103)]