40212905

素因数分解:

$5^1\times {\mathrm{17}}^3\times {\mathrm{1637}}^1$

素因数の和:1693

約数の個数: 16

約数和(自身を含む): 51302160

約数和(自身を除く): 11089255

約数列:

[1, 5, 17, 85, 289, 1445, 1637, 4913, 8185, 24565, 27829, 139145, 473093, 2365465, 8042581, 40212905]

約数ペア:

[(1, 40212905), (5, 8042581), (17, 2365465), (85, 473093), (289, 139145), (1445, 27829), (1637, 24565), (4913, 8185)]