55204520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197159}}^1$

素因数の和:197177

約数の個数: 32

約数和(自身を含む): 141955200

約数和(自身を除く): 86750680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 197159, 394318, 788636, 985795, 1380113, 1577272, 1971590, 2760226, 3943180, 5520452, 6900565, 7886360, 11040904, 13801130, 27602260, 55204520]

約数ペア:

[(1, 55204520), (2, 27602260), (4, 13801130), (5, 11040904), (7, 7886360), (8, 6900565), (10, 5520452), (14, 3943180), (20, 2760226), (28, 1971590), (35, 1577272), (40, 1380113), (56, 985795), (70, 788636), (140, 394318), (280, 197159)]