2000509840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3572339}}^1$

素因数の和:3572359

約数の個数: 40

約数和(自身を含む): 5315641920

約数和(自身を除く): 3315132080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3572339, 7144678, 14289356, 17861695, 25006373, 28578712, 35723390, 50012746, 57157424, 71446780, 100025492, 125031865, 142893560, 200050984, 250063730, 285787120, 400101968, 500127460, 1000254920, 2000509840]

約数ペア:

[(1, 2000509840), (2, 1000254920), (4, 500127460), (5, 400101968), (7, 285787120), (8, 250063730), (10, 200050984), (14, 142893560), (16, 125031865), (20, 100025492), (28, 71446780), (35, 57157424), (40, 50012746), (56, 35723390), (70, 28578712), (80, 25006373), (112, 17861695), (140, 14289356), (280, 7144678), (560, 3572339)]