25337936

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1997}}^1$

素因数の和:2079

約数の個数: 40

約数和(自身を含む): 53762184

約数和(自身を除く): 28424248

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 1997, 3172, 3994, 6344, 7988, 12688, 15976, 25961, 31952, 51922, 103844, 121817, 207688, 243634, 415376, 487268, 974536, 1583621, 1949072, 3167242, 6334484, 12668968, 25337936]

約数ペア:

[(1, 25337936), (2, 12668968), (4, 6334484), (8, 3167242), (13, 1949072), (16, 1583621), (26, 974536), (52, 487268), (61, 415376), (104, 243634), (122, 207688), (208, 121817), (244, 103844), (488, 51922), (793, 31952), (976, 25961), (1586, 15976), (1997, 12688), (3172, 7988), (3994, 6344)]