80249855

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1999}}^1$

素因数の和:2079

約数の個数: 32

約数和(自身を含む): 116736000

約数和(自身を除く): 36486145

約数列:

[1, 5, 7, 31, 35, 37, 155, 185, 217, 259, 1085, 1147, 1295, 1999, 5735, 8029, 9995, 13993, 40145, 61969, 69965, 73963, 309845, 369815, 433783, 517741, 2168915, 2292853, 2588705, 11464265, 16049971, 80249855]

約数ペア:

[(1, 80249855), (5, 16049971), (7, 11464265), (31, 2588705), (35, 2292853), (37, 2168915), (155, 517741), (185, 433783), (217, 369815), (259, 309845), (1085, 73963), (1147, 69965), (1295, 61969), (1999, 40145), (5735, 13993), (8029, 9995)]