40547440

素因数分解:

$2^4\times 5^1\times {\mathrm{506843}}^1$

素因数の和:506856

約数の個数: 20

約数和(自身を含む): 94272984

約数和(自身を除く): 53725544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 506843, 1013686, 2027372, 2534215, 4054744, 5068430, 8109488, 10136860, 20273720, 40547440]

約数ペア:

[(1, 40547440), (2, 20273720), (4, 10136860), (5, 8109488), (8, 5068430), (10, 4054744), (16, 2534215), (20, 2027372), (40, 1013686), (80, 506843)]