12820783600

素因数分解:

$2^4\times 5^2\times {\mathrm{79}}^1\times {\mathrm{433}}^1\times {\mathrm{937}}^1$

素因数の和:1467

約数の個数: 120

約数和(自身を含む): 31297232960

約数和(自身を除く): 18476449360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 158, 200, 316, 395, 400, 433, 632, 790, 866, 937, 1264, 1580, 1732, 1874, 1975, 2165, 3160, 3464, 3748, 3950, 4330, 4685, 6320, 6928, 7496, 7900, 8660, 9370, 10825, 14992, 15800, 17320, 18740, 21650, 23425, 31600, 34207, 34640, 37480, 43300, 46850, 68414, 74023, 74960, 86600, 93700, 136828, 148046, 171035, 173200, 187400, 273656, 296092, 342070, 370115, 374800, 405721, 547312, 592184, 684140, 740230, 811442, 855175, 1184368, 1368280, 1480460, 1622884, 1710350, 1850575, 2028605, 2736560, 2960920, 3245768, 3420700, 3701150, 4057210, 5921840, 6491536, 6841400, 7402300, 8114420, 10143025, 13682800, 14804600, 16228840, 20286050, 29609200, 32051959, 32457680, 40572100, 64103918, 81144200, 128207836, 160259795, 162288400, 256415672, 320519590, 512831344, 641039180, 801298975, 1282078360, 1602597950, 2564156720, 3205195900, 6410391800, 12820783600]

約数ペア:

[(1, 12820783600), (2, 6410391800), (4, 3205195900), (5, 2564156720), (8, 1602597950), (10, 1282078360), (16, 801298975), (20, 641039180), (25, 512831344), (40, 320519590), (50, 256415672), (79, 162288400), (80, 160259795), (100, 128207836), (158, 81144200), (200, 64103918), (316, 40572100), (395, 32457680), (400, 32051959), (433, 29609200), (632, 20286050), (790, 16228840), (866, 14804600), (937, 13682800), (1264, 10143025), (1580, 8114420), (1732, 7402300), (1874, 6841400), (1975, 6491536), (2165, 5921840), (3160, 4057210), (3464, 3701150), (3748, 3420700), (3950, 3245768), (4330, 2960920), (4685, 2736560), (6320, 2028605), (6928, 1850575), (7496, 1710350), (7900, 1622884), (8660, 1480460), (9370, 1368280), (10825, 1184368), (14992, 855175), (15800, 811442), (17320, 740230), (18740, 684140), (21650, 592184), (23425, 547312), (31600, 405721), (34207, 374800), (34640, 370115), (37480, 342070), (43300, 296092), (46850, 273656), (68414, 187400), (74023, 173200), (74960, 171035), (86600, 148046), (93700, 136828)]