12228520

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{983}}^1$

素因数の和:1305

約数の個数: 32

約数和(自身を含む): 27630720

約数和(自身を除く): 15402200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 983, 1244, 1555, 1966, 2488, 3110, 3932, 4915, 6220, 7864, 9830, 12440, 19660, 39320, 305713, 611426, 1222852, 1528565, 2445704, 3057130, 6114260, 12228520]

約数ペア:

[(1, 12228520), (2, 6114260), (4, 3057130), (5, 2445704), (8, 1528565), (10, 1222852), (20, 611426), (40, 305713), (311, 39320), (622, 19660), (983, 12440), (1244, 9830), (1555, 7864), (1966, 6220), (2488, 4915), (3110, 3932)]