201549940

素因数分解:

$2^2\times 5^1\times {\mathrm{1607}}^1\times {\mathrm{6271}}^1$

素因数の和:7887

約数の個数: 24

約数和(自身を含む): 423585792

約数和(自身を除く): 222035852

約数列:

[1, 2, 4, 5, 10, 20, 1607, 3214, 6271, 6428, 8035, 12542, 16070, 25084, 31355, 32140, 62710, 125420, 10077497, 20154994, 40309988, 50387485, 100774970, 201549940]

約数ペア:

[(1, 201549940), (2, 100774970), (4, 50387485), (5, 40309988), (10, 20154994), (20, 10077497), (1607, 125420), (3214, 62710), (6271, 32140), (6428, 31355), (8035, 25084), (12542, 16070)]