80001590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{18307}}^1$

素因数の和:18356

約数の個数: 32

約数和(自身を含む): 158181120

約数和(自身を除く): 78179530

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 18307, 36614, 91535, 183070, 347833, 421061, 695666, 842122, 1739165, 2105305, 3478330, 4210610, 8000159, 16000318, 40000795, 80001590]

約数ペア:

[(1, 80001590), (2, 40000795), (5, 16000318), (10, 8000159), (19, 4210610), (23, 3478330), (38, 2105305), (46, 1739165), (95, 842122), (115, 695666), (190, 421061), (230, 347833), (437, 183070), (874, 91535), (2185, 36614), (4370, 18307)]