78569080

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{12511}}^1$

素因数の和:12679

約数の個数: 32

約数和(自身を含む): 177920640

約数和(自身を除く): 99351560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 12511, 25022, 50044, 62555, 100088, 125110, 250220, 500440, 1964227, 3928454, 7856908, 9821135, 15713816, 19642270, 39284540, 78569080]

約数ペア:

[(1, 78569080), (2, 39284540), (4, 19642270), (5, 15713816), (8, 9821135), (10, 7856908), (20, 3928454), (40, 1964227), (157, 500440), (314, 250220), (628, 125110), (785, 100088), (1256, 62555), (1570, 50044), (3140, 25022), (6280, 12511)]