173820520

素因数分解:

$2^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{7159}}^1$

素因数の和:7777

約数の個数: 32

約数和(自身を含む): 391795200

約数和(自身を除く): 217974680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 607, 1214, 2428, 3035, 4856, 6070, 7159, 12140, 14318, 24280, 28636, 35795, 57272, 71590, 143180, 286360, 4345513, 8691026, 17382052, 21727565, 34764104, 43455130, 86910260, 173820520]

約数ペア:

[(1, 173820520), (2, 86910260), (4, 43455130), (5, 34764104), (8, 21727565), (10, 17382052), (20, 8691026), (40, 4345513), (607, 286360), (1214, 143180), (2428, 71590), (3035, 57272), (4856, 35795), (6070, 28636), (7159, 24280), (12140, 14318)]