8191020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{647}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 23079168

約数和(自身を除く): 14888148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 211, 422, 633, 647, 844, 1055, 1266, 1294, 1941, 2110, 2532, 2588, 3165, 3235, 3882, 4220, 6330, 6470, 7764, 9705, 12660, 12940, 19410, 38820, 136517, 273034, 409551, 546068, 682585, 819102, 1365170, 1638204, 2047755, 2730340, 4095510, 8191020]

約数ペア:

[(1, 8191020), (2, 4095510), (3, 2730340), (4, 2047755), (5, 1638204), (6, 1365170), (10, 819102), (12, 682585), (15, 546068), (20, 409551), (30, 273034), (60, 136517), (211, 38820), (422, 19410), (633, 12940), (647, 12660), (844, 9705), (1055, 7764), (1266, 6470), (1294, 6330), (1941, 4220), (2110, 3882), (2532, 3235), (2588, 3165)]