40521920

素因数分解:

$2^6\times 5^1\times {\mathrm{126631}}^1$

素因数の和:126648

約数の個数: 28

約数和(自身を含む): 96493584

約数和(自身を除く): 55971664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 126631, 253262, 506524, 633155, 1013048, 1266310, 2026096, 2532620, 4052192, 5065240, 8104384, 10130480, 20260960, 40521920]

約数ペア:

[(1, 40521920), (2, 20260960), (4, 10130480), (5, 8104384), (8, 5065240), (10, 4052192), (16, 2532620), (20, 2026096), (32, 1266310), (40, 1013048), (64, 633155), (80, 506524), (160, 253262), (320, 126631)]