81040220

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{1181}}^1$

素因数の和:1310

約数の個数: 48

約数和(自身を含む): 176335488

約数和(自身を除く): 95295268

約数列:

[1, 2, 4, 5, 10, 20, 47, 73, 94, 146, 188, 235, 292, 365, 470, 730, 940, 1181, 1460, 2362, 3431, 4724, 5905, 6862, 11810, 13724, 17155, 23620, 34310, 55507, 68620, 86213, 111014, 172426, 222028, 277535, 344852, 431065, 555070, 862130, 1110140, 1724260, 4052011, 8104022, 16208044, 20260055, 40520110, 81040220]

約数ペア:

[(1, 81040220), (2, 40520110), (4, 20260055), (5, 16208044), (10, 8104022), (20, 4052011), (47, 1724260), (73, 1110140), (94, 862130), (146, 555070), (188, 431065), (235, 344852), (292, 277535), (365, 222028), (470, 172426), (730, 111014), (940, 86213), (1181, 68620), (1460, 55507), (2362, 34310), (3431, 23620), (4724, 17155), (5905, 13724), (6862, 11810)]