80898160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{144461}}^1$

素因数の和:144481

約数の個数: 40

約数和(自身を含む): 214959456

約数和(自身を除く): 134061296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 144461, 288922, 577844, 722305, 1011227, 1155688, 1444610, 2022454, 2311376, 2889220, 4044908, 5056135, 5778440, 8089816, 10112270, 11556880, 16179632, 20224540, 40449080, 80898160]

約数ペア:

[(1, 80898160), (2, 40449080), (4, 20224540), (5, 16179632), (7, 11556880), (8, 10112270), (10, 8089816), (14, 5778440), (16, 5056135), (20, 4044908), (28, 2889220), (35, 2311376), (40, 2022454), (56, 1444610), (70, 1155688), (80, 1011227), (112, 722305), (140, 577844), (280, 288922), (560, 144461)]