200509840

素因数分解:

$2^4\times 5^1\times {\mathrm{2506373}}^1$

素因数の和:2506386

約数の個数: 20

約数和(自身を含む): 466185564

約数和(自身を除く): 265675724

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2506373, 5012746, 10025492, 12531865, 20050984, 25063730, 40101968, 50127460, 100254920, 200509840]

約数ペア:

[(1, 200509840), (2, 100254920), (4, 50127460), (5, 40101968), (8, 25063730), (10, 20050984), (16, 12531865), (20, 10025492), (40, 5012746), (80, 2506373)]