130888720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{86111}}^1$

素因数の和:86143

約数の個数: 40

約数和(自身を含む): 320336640

約数和(自身を除く): 189447920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 86111, 172222, 344444, 430555, 688888, 861110, 1377776, 1636109, 1722220, 3272218, 3444440, 6544436, 6888880, 8180545, 13088872, 16361090, 26177744, 32722180, 65444360, 130888720]

約数ペア:

[(1, 130888720), (2, 65444360), (4, 32722180), (5, 26177744), (8, 16361090), (10, 13088872), (16, 8180545), (19, 6888880), (20, 6544436), (38, 3444440), (40, 3272218), (76, 1722220), (80, 1636109), (95, 1377776), (152, 861110), (190, 688888), (304, 430555), (380, 344444), (760, 172222), (1520, 86111)]