2078794101680

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{238393819}}^1$

素因数の和:238393941

約数の個数: 40

約数和(自身を含む): 4877537557200

約数和(自身を除く): 2798743455520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 238393819, 476787638, 953575276, 1191969095, 1907150552, 2383938190, 3814301104, 4767876380, 9535752760, 19071505520, 25984926271, 51969852542, 103939705084, 129924631355, 207879410168, 259849262710, 415758820336, 519698525420, 1039397050840, 2078794101680]

約数ペア:

[(1, 2078794101680), (2, 1039397050840), (4, 519698525420), (5, 415758820336), (8, 259849262710), (10, 207879410168), (16, 129924631355), (20, 103939705084), (40, 51969852542), (80, 25984926271), (109, 19071505520), (218, 9535752760), (436, 4767876380), (545, 3814301104), (872, 2383938190), (1090, 1907150552), (1744, 1191969095), (2180, 953575276), (4360, 476787638), (8720, 238393819)]