213989920

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{10531}}^1$

素因数の和:10673

約数の個数: 48

約数和(自身を含む): 509580288

約数和(自身を除く): 295590368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 10160, 10531, 20320, 21062, 42124, 52655, 84248, 105310, 168496, 210620, 336992, 421240, 842480, 1337437, 1684960, 2674874, 5349748, 6687185, 10699496, 13374370, 21398992, 26748740, 42797984, 53497480, 106994960, 213989920]

約数ペア:

[(1, 213989920), (2, 106994960), (4, 53497480), (5, 42797984), (8, 26748740), (10, 21398992), (16, 13374370), (20, 10699496), (32, 6687185), (40, 5349748), (80, 2674874), (127, 1684960), (160, 1337437), (254, 842480), (508, 421240), (635, 336992), (1016, 210620), (1270, 168496), (2032, 105310), (2540, 84248), (4064, 52655), (5080, 42124), (10160, 21062), (10531, 20320)]