25997590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 53032320

約数和(自身を除く): 27034730

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 61, 85, 109, 115, 122, 170, 218, 230, 305, 391, 545, 610, 782, 1037, 1090, 1403, 1853, 1955, 2074, 2507, 2806, 3706, 3910, 5014, 5185, 6649, 7015, 9265, 10370, 12535, 13298, 14030, 18530, 23851, 25070, 33245, 42619, 47702, 66490, 85238, 113033, 119255, 152927, 213095, 226066, 238510, 305854, 426190, 565165, 764635, 1130330, 1529270, 2599759, 5199518, 12998795, 25997590]

約数ペア:

[(1, 25997590), (2, 12998795), (5, 5199518), (10, 2599759), (17, 1529270), (23, 1130330), (34, 764635), (46, 565165), (61, 426190), (85, 305854), (109, 238510), (115, 226066), (122, 213095), (170, 152927), (218, 119255), (230, 113033), (305, 85238), (391, 66490), (545, 47702), (610, 42619), (782, 33245), (1037, 25070), (1090, 23851), (1403, 18530), (1853, 14030), (1955, 13298), (2074, 12535), (2507, 10370), (2806, 9265), (3706, 7015), (3910, 6649), (5014, 5185)]