40845478

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:412

約数の個数: 32

約数和(自身を含む): 66781440

約数和(自身を除く): 25935962

約数列:

[1, 2, 19, 38, 61, 67, 122, 134, 263, 526, 1159, 1273, 2318, 2546, 4087, 4997, 8174, 9994, 16043, 17621, 32086, 35242, 77653, 155306, 304817, 334799, 609634, 669598, 1074881, 2149762, 20422739, 40845478]

約数ペア:

[(1, 40845478), (2, 20422739), (19, 2149762), (38, 1074881), (61, 669598), (67, 609634), (122, 334799), (134, 304817), (263, 155306), (526, 77653), (1159, 35242), (1273, 32086), (2318, 17621), (2546, 16043), (4087, 9994), (4997, 8174)]