40450810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1009}}^1$

素因数の和:1246

約数の個数: 32

約数和(自身を含む): 77083200

約数和(自身を除く): 36632390

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 211, 422, 1009, 1055, 2018, 2110, 4009, 5045, 8018, 10090, 19171, 20045, 38342, 40090, 95855, 191710, 212899, 425798, 1064495, 2128990, 4045081, 8090162, 20225405, 40450810]

約数ペア:

[(1, 40450810), (2, 20225405), (5, 8090162), (10, 4045081), (19, 2128990), (38, 1064495), (95, 425798), (190, 212899), (211, 191710), (422, 95855), (1009, 40090), (1055, 38342), (2018, 20045), (2110, 19171), (4009, 10090), (5045, 8018)]