4877720

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{619}}^1$

素因数の和:827

約数の個数: 32

約数和(自身を含む): 11048400

約数和(自身を除く): 6170680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 619, 788, 985, 1238, 1576, 1970, 2476, 3095, 3940, 4952, 6190, 7880, 12380, 24760, 121943, 243886, 487772, 609715, 975544, 1219430, 2438860, 4877720]

約数ペア:

[(1, 4877720), (2, 2438860), (4, 1219430), (5, 975544), (8, 609715), (10, 487772), (20, 243886), (40, 121943), (197, 24760), (394, 12380), (619, 7880), (788, 6190), (985, 4952), (1238, 3940), (1576, 3095), (1970, 2476)]