51995180

素因数分解:

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

素因数の和:219

約数の個数: 96

約数和(自身を含む): 123742080

約数和(自身を除く): 71746900

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 61, 68, 85, 92, 109, 115, 122, 170, 218, 230, 244, 305, 340, 391, 436, 460, 545, 610, 782, 1037, 1090, 1220, 1403, 1564, 1853, 1955, 2074, 2180, 2507, 2806, 3706, 3910, 4148, 5014, 5185, 5612, 6649, 7015, 7412, 7820, 9265, 10028, 10370, 12535, 13298, 14030, 18530, 20740, 23851, 25070, 26596, 28060, 33245, 37060, 42619, 47702, 50140, 66490, 85238, 95404, 113033, 119255, 132980, 152927, 170476, 213095, 226066, 238510, 305854, 426190, 452132, 477020, 565165, 611708, 764635, 852380, 1130330, 1529270, 2260660, 2599759, 3058540, 5199518, 10399036, 12998795, 25997590, 51995180]

約数ペア:

[(1, 51995180), (2, 25997590), (4, 12998795), (5, 10399036), (10, 5199518), (17, 3058540), (20, 2599759), (23, 2260660), (34, 1529270), (46, 1130330), (61, 852380), (68, 764635), (85, 611708), (92, 565165), (109, 477020), (115, 452132), (122, 426190), (170, 305854), (218, 238510), (230, 226066), (244, 213095), (305, 170476), (340, 152927), (391, 132980), (436, 119255), (460, 113033), (545, 95404), (610, 85238), (782, 66490), (1037, 50140), (1090, 47702), (1220, 42619), (1403, 37060), (1564, 33245), (1853, 28060), (1955, 26596), (2074, 25070), (2180, 23851), (2507, 20740), (2806, 18530), (3706, 14030), (3910, 13298), (4148, 12535), (5014, 10370), (5185, 10028), (5612, 9265), (6649, 7820), (7015, 7412)]