231812440

素因数分解:

$2^3\times 5^1\times {\mathrm{1283}}^1\times {\mathrm{4517}}^1$

素因数の和:5811

約数の個数: 32

約数和(自身を含む): 522100080

約数和(自身を除く): 290287640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1283, 2566, 4517, 5132, 6415, 9034, 10264, 12830, 18068, 22585, 25660, 36136, 45170, 51320, 90340, 180680, 5795311, 11590622, 23181244, 28976555, 46362488, 57953110, 115906220, 231812440]

約数ペア:

[(1, 231812440), (2, 115906220), (4, 57953110), (5, 46362488), (8, 28976555), (10, 23181244), (20, 11590622), (40, 5795311), (1283, 180680), (2566, 90340), (4517, 51320), (5132, 45170), (6415, 36136), (9034, 25660), (10264, 22585), (12830, 18068)]