986787940

素因数分解:

$2^2\times 5^1\times {\mathrm{2971}}^1\times {\mathrm{16607}}^1$

素因数の和:19587

約数の個数: 24

約数和(自身を含む): 2073076992

約数和(自身を除く): 1086289052

約数列:

[1, 2, 4, 5, 10, 20, 2971, 5942, 11884, 14855, 16607, 29710, 33214, 59420, 66428, 83035, 166070, 332140, 49339397, 98678794, 197357588, 246696985, 493393970, 986787940]

約数ペア:

[(1, 986787940), (2, 493393970), (4, 246696985), (5, 197357588), (10, 98678794), (20, 49339397), (2971, 332140), (5942, 166070), (11884, 83035), (14855, 66428), (16607, 59420), (29710, 33214)]