2012567920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2287009}}^1$

素因数の和:2287033

約数の個数: 40

約数和(自身を含む): 5104606320

約数和(自身を除く): 3092038400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2287009, 4574018, 9148036, 11435045, 18296072, 22870090, 25157099, 36592144, 45740180, 50314198, 91480360, 100628396, 125785495, 182960720, 201256792, 251570990, 402513584, 503141980, 1006283960, 2012567920]

約数ペア:

[(1, 2012567920), (2, 1006283960), (4, 503141980), (5, 402513584), (8, 251570990), (10, 201256792), (11, 182960720), (16, 125785495), (20, 100628396), (22, 91480360), (40, 50314198), (44, 45740180), (55, 36592144), (80, 25157099), (88, 22870090), (110, 18296072), (176, 11435045), (220, 9148036), (440, 4574018), (880, 2287009)]