129647660

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{78101}}^1$

素因数の和:78193

約数の個数: 24

約数和(自身を含む): 275543856

約数和(自身を除く): 145896196

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 78101, 156202, 312404, 390505, 781010, 1562020, 6482383, 12964766, 25929532, 32411915, 64823830, 129647660]

約数ペア:

[(1, 129647660), (2, 64823830), (4, 32411915), (5, 25929532), (10, 12964766), (20, 6482383), (83, 1562020), (166, 781010), (332, 390505), (415, 312404), (830, 156202), (1660, 78101)]