129951280

素因数分解:

$2^4\times 5^1\times {\mathrm{1061}}^1\times {\mathrm{1531}}^1$

素因数の和:2605

約数の個数: 40

約数和(自身を含む): 302619024

約数和(自身を除く): 172667744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1061, 1531, 2122, 3062, 4244, 5305, 6124, 7655, 8488, 10610, 12248, 15310, 16976, 21220, 24496, 30620, 42440, 61240, 84880, 122480, 1624391, 3248782, 6497564, 8121955, 12995128, 16243910, 25990256, 32487820, 64975640, 129951280]

約数ペア:

[(1, 129951280), (2, 64975640), (4, 32487820), (5, 25990256), (8, 16243910), (10, 12995128), (16, 8121955), (20, 6497564), (40, 3248782), (80, 1624391), (1061, 122480), (1531, 84880), (2122, 61240), (3062, 42440), (4244, 30620), (5305, 24496), (6124, 21220), (7655, 16976), (8488, 15310), (10610, 12248)]