15694012120

素因数分解:

$2^3\times 5^1\times {\mathrm{19727}}^1\times {\mathrm{19889}}^1$

素因数の和:39627

約数の個数: 32

約数和(自身を含む): 35315092800

約数和(自身を除く): 19621080680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 19727, 19889, 39454, 39778, 78908, 79556, 98635, 99445, 157816, 159112, 197270, 198890, 394540, 397780, 789080, 795560, 392350303, 784700606, 1569401212, 1961751515, 3138802424, 3923503030, 7847006060, 15694012120]

約数ペア:

[(1, 15694012120), (2, 7847006060), (4, 3923503030), (5, 3138802424), (8, 1961751515), (10, 1569401212), (20, 784700606), (40, 392350303), (19727, 795560), (19889, 789080), (39454, 397780), (39778, 394540), (78908, 198890), (79556, 197270), (98635, 159112), (99445, 157816)]