129003580

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{77713}}^1$

素因数の和:77805

約数の個数: 24

約数和(自身を含む): 274174992

約数和(自身を除く): 145171412

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 77713, 155426, 310852, 388565, 777130, 1554260, 6450179, 12900358, 25800716, 32250895, 64501790, 129003580]

約数ペア:

[(1, 129003580), (2, 64501790), (4, 32250895), (5, 25800716), (10, 12900358), (20, 6450179), (83, 1554260), (166, 777130), (332, 388565), (415, 310852), (830, 155426), (1660, 77713)]