2016146840

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{462419}}^1$

素因数の和:462539

約数の個数: 32

約数和(自身を含む): 4577958000

約数和(自身を除く): 2561811160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 462419, 924838, 1849676, 2312095, 3699352, 4624190, 9248380, 18496760, 50403671, 100807342, 201614684, 252018355, 403229368, 504036710, 1008073420, 2016146840]

約数ペア:

[(1, 2016146840), (2, 1008073420), (4, 504036710), (5, 403229368), (8, 252018355), (10, 201614684), (20, 100807342), (40, 50403671), (109, 18496760), (218, 9248380), (436, 4624190), (545, 3699352), (872, 2312095), (1090, 1849676), (2180, 924838), (4360, 462419)]