1625339960

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1\times {\mathrm{709}}^1$

素因数の和:1200

約数の個数: 64

約数和(自身を含む): 3692908800

約数和(自身を除く): 2067568840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 257, 446, 514, 709, 892, 1028, 1115, 1285, 1418, 1784, 2056, 2230, 2570, 2836, 3545, 4460, 5140, 5672, 7090, 8920, 10280, 14180, 28360, 57311, 114622, 158107, 182213, 229244, 286555, 316214, 364426, 458488, 573110, 632428, 728852, 790535, 911065, 1146220, 1264856, 1457704, 1581070, 1822130, 2292440, 3162140, 3644260, 6324280, 7288520, 40633499, 81266998, 162533996, 203167495, 325067992, 406334990, 812669980, 1625339960]

約数ペア:

[(1, 1625339960), (2, 812669980), (4, 406334990), (5, 325067992), (8, 203167495), (10, 162533996), (20, 81266998), (40, 40633499), (223, 7288520), (257, 6324280), (446, 3644260), (514, 3162140), (709, 2292440), (892, 1822130), (1028, 1581070), (1115, 1457704), (1285, 1264856), (1418, 1146220), (1784, 911065), (2056, 790535), (2230, 728852), (2570, 632428), (2836, 573110), (3545, 458488), (4460, 364426), (5140, 316214), (5672, 286555), (7090, 229244), (8920, 182213), (10280, 158107), (14180, 114622), (28360, 57311)]