78434060

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{24979}}^1$

素因数の和:25145

約数の個数: 24

約数和(自身を含む): 165767280

約数和(自身を除く): 87333220

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 24979, 49958, 99916, 124895, 249790, 499580, 3921703, 7843406, 15686812, 19608515, 39217030, 78434060]

約数ペア:

[(1, 78434060), (2, 39217030), (4, 19608515), (5, 15686812), (10, 7843406), (20, 3921703), (157, 499580), (314, 249790), (628, 124895), (785, 99916), (1570, 49958), (3140, 24979)]