25074160

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 61576416

約数和(自身を除く): 36502256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 43, 74, 80, 86, 148, 172, 185, 197, 215, 296, 344, 370, 394, 430, 592, 688, 740, 788, 860, 985, 1480, 1576, 1591, 1720, 1970, 2960, 3152, 3182, 3440, 3940, 6364, 7289, 7880, 7955, 8471, 12728, 14578, 15760, 15910, 16942, 25456, 29156, 31820, 33884, 36445, 42355, 58312, 63640, 67768, 72890, 84710, 116624, 127280, 135536, 145780, 169420, 291560, 313427, 338840, 583120, 626854, 677680, 1253708, 1567135, 2507416, 3134270, 5014832, 6268540, 12537080, 25074160]

約数ペア:

[(1, 25074160), (2, 12537080), (4, 6268540), (5, 5014832), (8, 3134270), (10, 2507416), (16, 1567135), (20, 1253708), (37, 677680), (40, 626854), (43, 583120), (74, 338840), (80, 313427), (86, 291560), (148, 169420), (172, 145780), (185, 135536), (197, 127280), (215, 116624), (296, 84710), (344, 72890), (370, 67768), (394, 63640), (430, 58312), (592, 42355), (688, 36445), (740, 33884), (788, 31820), (860, 29156), (985, 25456), (1480, 16942), (1576, 15910), (1591, 15760), (1720, 14578), (1970, 12728), (2960, 8471), (3152, 7955), (3182, 7880), (3440, 7289), (3940, 6364)]