79873580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{56249}}^1$

素因数の和:56329

約数の個数: 24

約数和(自身を含む): 170100000

約数和(自身を除く): 90226420

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 56249, 112498, 224996, 281245, 562490, 1124980, 3993679, 7987358, 15974716, 19968395, 39936790, 79873580]

約数ペア:

[(1, 79873580), (2, 39936790), (4, 19968395), (5, 15974716), (10, 7987358), (20, 3993679), (71, 1124980), (142, 562490), (284, 281245), (355, 224996), (710, 112498), (1420, 56249)]