65247580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{45949}}^1$

素因数の和:46029

約数の個数: 24

約数和(自身を含む): 138952800

約数和(自身を除く): 73705220

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 45949, 91898, 183796, 229745, 459490, 918980, 3262379, 6524758, 13049516, 16311895, 32623790, 65247580]

約数ペア:

[(1, 65247580), (2, 32623790), (4, 16311895), (5, 13049516), (10, 6524758), (20, 3262379), (71, 918980), (142, 459490), (284, 229745), (355, 183796), (710, 91898), (1420, 45949)]