166157780

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{63419}}^1$

素因数の和:63559

約数の個数: 24

約数和(自身を含む): 351600480

約数和(自身を除く): 185442700

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 63419, 126838, 253676, 317095, 634190, 1268380, 8307889, 16615778, 33231556, 41539445, 83078890, 166157780]

約数ペア:

[(1, 166157780), (2, 83078890), (4, 41539445), (5, 33231556), (10, 16615778), (20, 8307889), (131, 1268380), (262, 634190), (524, 317095), (655, 253676), (1310, 126838), (2620, 63419)]