55919920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1637}}^1$

素因数の和:1718

約数の個数: 80

約数和(自身を含む): 151115328

約数和(自身を除く): 95195408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 488, 560, 610, 854, 976, 1220, 1637, 1708, 2135, 2440, 3274, 3416, 4270, 4880, 6548, 6832, 8185, 8540, 11459, 13096, 16370, 17080, 22918, 26192, 32740, 34160, 45836, 57295, 65480, 91672, 99857, 114590, 130960, 183344, 199714, 229180, 399428, 458360, 499285, 698999, 798856, 916720, 998570, 1397998, 1597712, 1997140, 2795996, 3494995, 3994280, 5591992, 6989990, 7988560, 11183984, 13979980, 27959960, 55919920]

約数ペア:

[(1, 55919920), (2, 27959960), (4, 13979980), (5, 11183984), (7, 7988560), (8, 6989990), (10, 5591992), (14, 3994280), (16, 3494995), (20, 2795996), (28, 1997140), (35, 1597712), (40, 1397998), (56, 998570), (61, 916720), (70, 798856), (80, 698999), (112, 499285), (122, 458360), (140, 399428), (244, 229180), (280, 199714), (305, 183344), (427, 130960), (488, 114590), (560, 99857), (610, 91672), (854, 65480), (976, 57295), (1220, 45836), (1637, 34160), (1708, 32740), (2135, 26192), (2440, 22918), (3274, 17080), (3416, 16370), (4270, 13096), (4880, 11459), (6548, 8540), (6832, 8185)]