139721840

素因数分解:

$2^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{5689}}^1$

素因数の和:6009

約数の個数: 40

約数和(自身を含む): 325968720

約数和(自身を除く): 186246880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 307, 614, 1228, 1535, 2456, 3070, 4912, 5689, 6140, 11378, 12280, 22756, 24560, 28445, 45512, 56890, 91024, 113780, 227560, 455120, 1746523, 3493046, 6986092, 8732615, 13972184, 17465230, 27944368, 34930460, 69860920, 139721840]

約数ペア:

[(1, 139721840), (2, 69860920), (4, 34930460), (5, 27944368), (8, 17465230), (10, 13972184), (16, 8732615), (20, 6986092), (40, 3493046), (80, 1746523), (307, 455120), (614, 227560), (1228, 113780), (1535, 91024), (2456, 56890), (3070, 45512), (4912, 28445), (5689, 24560), (6140, 22756), (11378, 12280)]