1040640816

素因数分解:

$2^4\times 3^1\times {\mathrm{21680017}}^1$

素因数の和:21680028

約数の個数: 20

約数和(自身を含む): 2688322232

約数和(自身を除く): 1647681416

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 21680017, 43360034, 65040051, 86720068, 130080102, 173440136, 260160204, 346880272, 520320408, 1040640816]

約数ペア:

[(1, 1040640816), (2, 520320408), (3, 346880272), (4, 260160204), (6, 173440136), (8, 130080102), (12, 86720068), (16, 65040051), (24, 43360034), (48, 21680017)]