2000039920

素因数分解:

$2^4\times 5^1\times {\mathrm{1153}}^1\times {\mathrm{21683}}^1$

素因数の和:22849

約数の個数: 40

約数和(自身を含む): 4654340496

約数和(自身を除く): 2654300576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1153, 2306, 4612, 5765, 9224, 11530, 18448, 21683, 23060, 43366, 46120, 86732, 92240, 108415, 173464, 216830, 346928, 433660, 867320, 1734640, 25000499, 50000998, 100001996, 125002495, 200003992, 250004990, 400007984, 500009980, 1000019960, 2000039920]

約数ペア:

[(1, 2000039920), (2, 1000019960), (4, 500009980), (5, 400007984), (8, 250004990), (10, 200003992), (16, 125002495), (20, 100001996), (40, 50000998), (80, 25000499), (1153, 1734640), (2306, 867320), (4612, 433660), (5765, 346928), (9224, 216830), (11530, 173464), (18448, 108415), (21683, 92240), (23060, 86732), (43366, 46120)]