72087740

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 154635264

約数和(自身を除く): 82547524

約数列:

[1, 2, 4, 5, 10, 20, 101, 127, 202, 254, 281, 404, 505, 508, 562, 635, 1010, 1124, 1270, 1405, 2020, 2540, 2810, 5620, 12827, 25654, 28381, 35687, 51308, 56762, 64135, 71374, 113524, 128270, 141905, 142748, 178435, 256540, 283810, 356870, 567620, 713740, 3604387, 7208774, 14417548, 18021935, 36043870, 72087740]

約数ペア:

[(1, 72087740), (2, 36043870), (4, 18021935), (5, 14417548), (10, 7208774), (20, 3604387), (101, 713740), (127, 567620), (202, 356870), (254, 283810), (281, 256540), (404, 178435), (505, 142748), (508, 141905), (562, 128270), (635, 113524), (1010, 71374), (1124, 64135), (1270, 56762), (1405, 51308), (2020, 35687), (2540, 28381), (2810, 25654), (5620, 12827)]