78043520

素因数分解:

$2^7\times 5^1\times {\mathrm{197}}^1\times {\mathrm{619}}^1$

素因数の和:835

約数の個数: 64

約数和(自身を含む): 187822800

約数和(自身を除く): 109779280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 197, 320, 394, 619, 640, 788, 985, 1238, 1576, 1970, 2476, 3095, 3152, 3940, 4952, 6190, 6304, 7880, 9904, 12380, 12608, 15760, 19808, 24760, 25216, 31520, 39616, 49520, 63040, 79232, 99040, 121943, 126080, 198080, 243886, 396160, 487772, 609715, 975544, 1219430, 1951088, 2438860, 3902176, 4877720, 7804352, 9755440, 15608704, 19510880, 39021760, 78043520]

約数ペア:

[(1, 78043520), (2, 39021760), (4, 19510880), (5, 15608704), (8, 9755440), (10, 7804352), (16, 4877720), (20, 3902176), (32, 2438860), (40, 1951088), (64, 1219430), (80, 975544), (128, 609715), (160, 487772), (197, 396160), (320, 243886), (394, 198080), (619, 126080), (640, 121943), (788, 99040), (985, 79232), (1238, 63040), (1576, 49520), (1970, 39616), (2476, 31520), (3095, 25216), (3152, 24760), (3940, 19808), (4952, 15760), (6190, 12608), (6304, 12380), (7880, 9904)]