25207920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:399

約数の個数: 120

約数和(自身を含む): 85577856

約数和(自身を除く): 60369936

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 157, 180, 223, 240, 314, 360, 446, 471, 628, 669, 720, 785, 892, 942, 1115, 1256, 1338, 1413, 1570, 1784, 1884, 2007, 2230, 2355, 2512, 2676, 2826, 3140, 3345, 3568, 3768, 4014, 4460, 4710, 5352, 5652, 6280, 6690, 7065, 7536, 8028, 8920, 9420, 10035, 10704, 11304, 12560, 13380, 14130, 16056, 17840, 18840, 20070, 22608, 26760, 28260, 32112, 35011, 37680, 40140, 53520, 56520, 70022, 80280, 105033, 113040, 140044, 160560, 175055, 210066, 280088, 315099, 350110, 420132, 525165, 560176, 630198, 700220, 840264, 1050330, 1260396, 1400440, 1575495, 1680528, 2100660, 2520792, 2800880, 3150990, 4201320, 5041584, 6301980, 8402640, 12603960, 25207920]

約数ペア:

[(1, 25207920), (2, 12603960), (3, 8402640), (4, 6301980), (5, 5041584), (6, 4201320), (8, 3150990), (9, 2800880), (10, 2520792), (12, 2100660), (15, 1680528), (16, 1575495), (18, 1400440), (20, 1260396), (24, 1050330), (30, 840264), (36, 700220), (40, 630198), (45, 560176), (48, 525165), (60, 420132), (72, 350110), (80, 315099), (90, 280088), (120, 210066), (144, 175055), (157, 160560), (180, 140044), (223, 113040), (240, 105033), (314, 80280), (360, 70022), (446, 56520), (471, 53520), (628, 40140), (669, 37680), (720, 35011), (785, 32112), (892, 28260), (942, 26760), (1115, 22608), (1256, 20070), (1338, 18840), (1413, 17840), (1570, 16056), (1784, 14130), (1884, 13380), (2007, 12560), (2230, 11304), (2355, 10704), (2512, 10035), (2676, 9420), (2826, 8920), (3140, 8028), (3345, 7536), (3568, 7065), (3768, 6690), (4014, 6280), (4460, 5652), (4710, 5352)]