91615280

素因数分解:

$2^4\times 5^1\times {\mathrm{1145191}}^1$

素因数の和:1145204

約数の個数: 20

約数和(自身を含む): 213005712

約数和(自身を除く): 121390432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1145191, 2290382, 4580764, 5725955, 9161528, 11451910, 18323056, 22903820, 45807640, 91615280]

約数ペア:

[(1, 91615280), (2, 45807640), (4, 22903820), (5, 18323056), (8, 11451910), (10, 9161528), (16, 5725955), (20, 4580764), (40, 2290382), (80, 1145191)]