8405960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6779}}^1$

素因数の和:6821

約数の個数: 32

約数和(自身を含む): 19526400

約数和(自身を除く): 11120440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 6779, 13558, 27116, 33895, 54232, 67790, 135580, 210149, 271160, 420298, 840596, 1050745, 1681192, 2101490, 4202980, 8405960]

約数ペア:

[(1, 8405960), (2, 4202980), (4, 2101490), (5, 1681192), (8, 1050745), (10, 840596), (20, 420298), (31, 271160), (40, 210149), (62, 135580), (124, 67790), (155, 54232), (248, 33895), (310, 27116), (620, 13558), (1240, 6779)]