65780440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13591}}^1$

素因数の和:13624

約数の個数: 48

約数和(自身を含む): 162696240

約数和(自身を除く): 96915800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 13591, 27182, 54364, 67955, 108728, 135910, 149501, 271820, 299002, 543640, 598004, 747505, 1196008, 1495010, 1644511, 2990020, 3289022, 5980040, 6578044, 8222555, 13156088, 16445110, 32890220, 65780440]

約数ペア:

[(1, 65780440), (2, 32890220), (4, 16445110), (5, 13156088), (8, 8222555), (10, 6578044), (11, 5980040), (20, 3289022), (22, 2990020), (40, 1644511), (44, 1495010), (55, 1196008), (88, 747505), (110, 598004), (121, 543640), (220, 299002), (242, 271820), (440, 149501), (484, 135910), (605, 108728), (968, 67955), (1210, 54364), (2420, 27182), (4840, 13591)]