65997160

素因数分解:

$2^3\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{1321}}^1$

素因数の和:2581

約数の個数: 32

約数和(自身を含む): 148725000

約数和(自身を除く): 82727840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1249, 1321, 2498, 2642, 4996, 5284, 6245, 6605, 9992, 10568, 12490, 13210, 24980, 26420, 49960, 52840, 1649929, 3299858, 6599716, 8249645, 13199432, 16499290, 32998580, 65997160]

約数ペア:

[(1, 65997160), (2, 32998580), (4, 16499290), (5, 13199432), (8, 8249645), (10, 6599716), (20, 3299858), (40, 1649929), (1249, 52840), (1321, 49960), (2498, 26420), (2642, 24980), (4996, 13210), (5284, 12490), (6245, 10568), (6605, 9992)]