25765220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2417}}^1$

素因数の和:2480

約数の個数: 48

約数和(自身を含む): 59714928

約数和(自身を除く): 33949708

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2417, 2665, 4834, 5330, 9668, 10660, 12085, 24170, 31421, 48340, 62842, 99097, 125684, 157105, 198194, 314210, 396388, 495485, 628420, 990970, 1288261, 1981940, 2576522, 5153044, 6441305, 12882610, 25765220]

約数ペア:

[(1, 25765220), (2, 12882610), (4, 6441305), (5, 5153044), (10, 2576522), (13, 1981940), (20, 1288261), (26, 990970), (41, 628420), (52, 495485), (65, 396388), (82, 314210), (130, 198194), (164, 157105), (205, 125684), (260, 99097), (410, 62842), (533, 48340), (820, 31421), (1066, 24170), (2132, 12085), (2417, 10660), (2665, 9668), (4834, 5330)]