24978890

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{40949}}^1$

素因数の和:41017

約数の個数: 16

約数和(自身を含む): 45700200

約数和(自身を除く): 20721310

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 40949, 81898, 204745, 409490, 2497889, 4995778, 12489445, 24978890]

約数ペア:

[(1, 24978890), (2, 12489445), (5, 4995778), (10, 2497889), (61, 409490), (122, 204745), (305, 81898), (610, 40949)]