1807331320

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{81119}}^1$

素因数の和:81687

約数の個数: 32

約数和(自身を含む): 4073846400

約数和(自身を除く): 2266515080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 1114, 2228, 2785, 4456, 5570, 11140, 22280, 81119, 162238, 324476, 405595, 648952, 811190, 1622380, 3244760, 45183283, 90366566, 180733132, 225916415, 361466264, 451832830, 903665660, 1807331320]

約数ペア:

[(1, 1807331320), (2, 903665660), (4, 451832830), (5, 361466264), (8, 225916415), (10, 180733132), (20, 90366566), (40, 45183283), (557, 3244760), (1114, 1622380), (2228, 811190), (2785, 648952), (4456, 405595), (5570, 324476), (11140, 162238), (22280, 81119)]