53780920

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{15107}}^1$

素因数の和:15207

約数の個数: 32

約数和(自身を含む): 122374800

約数和(自身を除く): 68593880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 15107, 30214, 60428, 75535, 120856, 151070, 302140, 604280, 1344523, 2689046, 5378092, 6722615, 10756184, 13445230, 26890460, 53780920]

約数ペア:

[(1, 53780920), (2, 26890460), (4, 13445230), (5, 10756184), (8, 6722615), (10, 5378092), (20, 2689046), (40, 1344523), (89, 604280), (178, 302140), (356, 151070), (445, 120856), (712, 75535), (890, 60428), (1780, 30214), (3560, 15107)]