2100089840

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{188857}}^1$

素因数の和:189009

約数の個数: 40

約数和(自身を含む): 4917862320

約数和(自身を除く): 2817772480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 11120, 188857, 377714, 755428, 944285, 1510856, 1888570, 3021712, 3777140, 7554280, 15108560, 26251123, 52502246, 105004492, 131255615, 210008984, 262511230, 420017968, 525022460, 1050044920, 2100089840]

約数ペア:

[(1, 2100089840), (2, 1050044920), (4, 525022460), (5, 420017968), (8, 262511230), (10, 210008984), (16, 131255615), (20, 105004492), (40, 52502246), (80, 26251123), (139, 15108560), (278, 7554280), (556, 3777140), (695, 3021712), (1112, 1888570), (1390, 1510856), (2224, 944285), (2780, 755428), (5560, 377714), (11120, 188857)]