319522640

素因数分解:

$2^4\times 5^1\times {\mathrm{809}}^1\times {\mathrm{4937}}^1$

素因数の和:5759

約数の個数: 40

約数和(自身を含む): 743959080

約数和(自身を除く): 424436440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 809, 1618, 3236, 4045, 4937, 6472, 8090, 9874, 12944, 16180, 19748, 24685, 32360, 39496, 49370, 64720, 78992, 98740, 197480, 394960, 3994033, 7988066, 15976132, 19970165, 31952264, 39940330, 63904528, 79880660, 159761320, 319522640]

約数ペア:

[(1, 319522640), (2, 159761320), (4, 79880660), (5, 63904528), (8, 39940330), (10, 31952264), (16, 19970165), (20, 15976132), (40, 7988066), (80, 3994033), (809, 394960), (1618, 197480), (3236, 98740), (4045, 78992), (4937, 64720), (6472, 49370), (8090, 39496), (9874, 32360), (12944, 24685), (16180, 19748)]