81033702920

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{14574407}}^1$

素因数の和:14574557

約数の個数: 32

約数和(自身を含む): 183637540800

約数和(自身を除く): 102603837880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 14574407, 29148814, 58297628, 72872035, 116595256, 145744070, 291488140, 582976280, 2025842573, 4051685146, 8103370292, 10129212865, 16206740584, 20258425730, 40516851460, 81033702920]

約数ペア:

[(1, 81033702920), (2, 40516851460), (4, 20258425730), (5, 16206740584), (8, 10129212865), (10, 8103370292), (20, 4051685146), (40, 2025842573), (139, 582976280), (278, 291488140), (556, 145744070), (695, 116595256), (1112, 72872035), (1390, 58297628), (2780, 29148814), (5560, 14574407)]