65620280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{509}}^1$

素因数の和:824

約数の個数: 64

約数和(自身を含む): 161935200

約数和(自身を除く): 96314920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 293, 440, 509, 586, 1018, 1172, 1465, 2036, 2344, 2545, 2930, 3223, 4072, 5090, 5599, 5860, 6446, 10180, 11198, 11720, 12892, 16115, 20360, 22396, 25784, 27995, 32230, 44792, 55990, 64460, 111980, 128920, 149137, 223960, 298274, 596548, 745685, 1193096, 1491370, 1640507, 2982740, 3281014, 5965480, 6562028, 8202535, 13124056, 16405070, 32810140, 65620280]

約数ペア:

[(1, 65620280), (2, 32810140), (4, 16405070), (5, 13124056), (8, 8202535), (10, 6562028), (11, 5965480), (20, 3281014), (22, 2982740), (40, 1640507), (44, 1491370), (55, 1193096), (88, 745685), (110, 596548), (220, 298274), (293, 223960), (440, 149137), (509, 128920), (586, 111980), (1018, 64460), (1172, 55990), (1465, 44792), (2036, 32230), (2344, 27995), (2545, 25784), (2930, 22396), (3223, 20360), (4072, 16115), (5090, 12892), (5599, 11720), (5860, 11198), (6446, 10180)]