104485760

素因数分解:

$2^7\times 5^1\times {\mathrm{163259}}^1$

素因数の和:163278

約数の個数: 32

約数和(自身を含む): 249787800

約数和(自身を除く): 145302040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 163259, 326518, 653036, 816295, 1306072, 1632590, 2612144, 3265180, 5224288, 6530360, 10448576, 13060720, 20897152, 26121440, 52242880, 104485760]

約数ペア:

[(1, 104485760), (2, 52242880), (4, 26121440), (5, 20897152), (8, 13060720), (10, 10448576), (16, 6530360), (20, 5224288), (32, 3265180), (40, 2612144), (64, 1632590), (80, 1306072), (128, 816295), (160, 653036), (320, 326518), (640, 163259)]