27520220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15121}}^1$

素因数の和:15150

約数の個数: 48

約数和(自身を含む): 71133888

約数和(自身を除く): 43613668

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 15121, 30242, 60484, 75605, 105847, 151210, 196573, 211694, 302420, 393146, 423388, 529235, 786292, 982865, 1058470, 1376011, 1965730, 2116940, 2752022, 3931460, 5504044, 6880055, 13760110, 27520220]

約数ペア:

[(1, 27520220), (2, 13760110), (4, 6880055), (5, 5504044), (7, 3931460), (10, 2752022), (13, 2116940), (14, 1965730), (20, 1376011), (26, 1058470), (28, 982865), (35, 786292), (52, 529235), (65, 423388), (70, 393146), (91, 302420), (130, 211694), (140, 196573), (182, 151210), (260, 105847), (364, 75605), (455, 60484), (910, 30242), (1820, 15121)]