212647520

素因数分解:

$2^5\times 5^1\times {\mathrm{107}}^1\times {\mathrm{12421}}^1$

素因数の和:12543

約数の個数: 48

約数和(自身を含む): 507115728

約数和(自身を除く): 294468208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 107, 160, 214, 428, 535, 856, 1070, 1712, 2140, 3424, 4280, 8560, 12421, 17120, 24842, 49684, 62105, 99368, 124210, 198736, 248420, 397472, 496840, 993680, 1329047, 1987360, 2658094, 5316188, 6645235, 10632376, 13290470, 21264752, 26580940, 42529504, 53161880, 106323760, 212647520]

約数ペア:

[(1, 212647520), (2, 106323760), (4, 53161880), (5, 42529504), (8, 26580940), (10, 21264752), (16, 13290470), (20, 10632376), (32, 6645235), (40, 5316188), (80, 2658094), (107, 1987360), (160, 1329047), (214, 993680), (428, 496840), (535, 397472), (856, 248420), (1070, 198736), (1712, 124210), (2140, 99368), (3424, 62105), (4280, 49684), (8560, 24842), (12421, 17120)]