202157680

素因数分解:

$2^4\times 5^1\times {\mathrm{2526971}}^1$

素因数の和:2526984

約数の個数: 20

約数和(自身を含む): 470016792

約数和(自身を除く): 267859112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2526971, 5053942, 10107884, 12634855, 20215768, 25269710, 40431536, 50539420, 101078840, 202157680]

約数ペア:

[(1, 202157680), (2, 101078840), (4, 50539420), (5, 40431536), (8, 25269710), (10, 20215768), (16, 12634855), (20, 10107884), (40, 5053942), (80, 2526971)]