202921360

素因数分解:

$2^4\times 5^1\times {\mathrm{2536517}}^1$

素因数の和:2536530

約数の個数: 20

約数和(自身を含む): 471792348

約数和(自身を除く): 268870988

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2536517, 5073034, 10146068, 12682585, 20292136, 25365170, 40584272, 50730340, 101460680, 202921360]

約数ペア:

[(1, 202921360), (2, 101460680), (4, 50730340), (5, 40584272), (8, 25365170), (10, 20292136), (16, 12682585), (20, 10146068), (40, 5073034), (80, 2536517)]