56878480

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{17341}}^1$

素因数の和:17395

約数の個数: 40

約数和(自身を含む): 135475704

約数和(自身を除く): 78597224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 17341, 34682, 69364, 86705, 138728, 173410, 277456, 346820, 693640, 710981, 1387280, 1421962, 2843924, 3554905, 5687848, 7109810, 11375696, 14219620, 28439240, 56878480]

約数ペア:

[(1, 56878480), (2, 28439240), (4, 14219620), (5, 11375696), (8, 7109810), (10, 5687848), (16, 3554905), (20, 2843924), (40, 1421962), (41, 1387280), (80, 710981), (82, 693640), (164, 346820), (205, 277456), (328, 173410), (410, 138728), (656, 86705), (820, 69364), (1640, 34682), (3280, 17341)]