7180520

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2017}}^1$

素因数の和:2117

約数の個数: 32

約数和(自身を含む): 16345800

約数和(自身を除く): 9165280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 2017, 3560, 4034, 8068, 10085, 16136, 20170, 40340, 80680, 179513, 359026, 718052, 897565, 1436104, 1795130, 3590260, 7180520]

約数ペア:

[(1, 7180520), (2, 3590260), (4, 1795130), (5, 1436104), (8, 897565), (10, 718052), (20, 359026), (40, 179513), (89, 80680), (178, 40340), (356, 20170), (445, 16136), (712, 10085), (890, 8068), (1780, 4034), (2017, 3560)]