51135080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1103}}^1$

素因数の和:1194

約数の個数: 64

約数和(自身を含む): 123206400

約数和(自身を除く): 72071320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 122, 152, 190, 244, 305, 380, 488, 610, 760, 1103, 1159, 1220, 2206, 2318, 2440, 4412, 4636, 5515, 5795, 8824, 9272, 11030, 11590, 20957, 22060, 23180, 41914, 44120, 46360, 67283, 83828, 104785, 134566, 167656, 209570, 269132, 336415, 419140, 538264, 672830, 838280, 1278377, 1345660, 2556754, 2691320, 5113508, 6391885, 10227016, 12783770, 25567540, 51135080]

約数ペア:

[(1, 51135080), (2, 25567540), (4, 12783770), (5, 10227016), (8, 6391885), (10, 5113508), (19, 2691320), (20, 2556754), (38, 1345660), (40, 1278377), (61, 838280), (76, 672830), (95, 538264), (122, 419140), (152, 336415), (190, 269132), (244, 209570), (305, 167656), (380, 134566), (488, 104785), (610, 83828), (760, 67283), (1103, 46360), (1159, 44120), (1220, 41914), (2206, 23180), (2318, 22060), (2440, 20957), (4412, 11590), (4636, 11030), (5515, 9272), (5795, 8824)]