40493840

素因数分解:

$2^4\times 5^1\times {\mathrm{506173}}^1$

素因数の和:506186

約数の個数: 20

約数和(自身を含む): 94148364

約数和(自身を除く): 53654524

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 506173, 1012346, 2024692, 2530865, 4049384, 5061730, 8098768, 10123460, 20246920, 40493840]

約数ペア:

[(1, 40493840), (2, 20246920), (4, 10123460), (5, 8098768), (8, 5061730), (10, 4049384), (16, 2530865), (20, 2024692), (40, 1012346), (80, 506173)]