26690860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{190649}}^1$

素因数の和:190665

約数の個数: 24

約数和(自身を含む): 64058400

約数和(自身を除く): 37367540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 190649, 381298, 762596, 953245, 1334543, 1906490, 2669086, 3812980, 5338172, 6672715, 13345430, 26690860]

約数ペア:

[(1, 26690860), (2, 13345430), (4, 6672715), (5, 5338172), (7, 3812980), (10, 2669086), (14, 1906490), (20, 1334543), (28, 953245), (35, 762596), (70, 381298), (140, 190649)]