1878311920

素因数分解:

$2^4\times 5^1\times {\mathrm{23478899}}^1$

素因数の和:23478912

約数の個数: 20

約数和(自身を含む): 4367075400

約数和(自身を除く): 2488763480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 23478899, 46957798, 93915596, 117394495, 187831192, 234788990, 375662384, 469577980, 939155960, 1878311920]

約数ペア:

[(1, 1878311920), (2, 939155960), (4, 469577980), (5, 375662384), (8, 234788990), (10, 187831192), (16, 117394495), (20, 93915596), (40, 46957798), (80, 23478899)]