81274430

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1\times {\mathrm{541}}^1$

素因数の和:812

約数の個数: 32

約数和(自身を含む): 149149728

約数和(自身を除く): 67875298

約数列:

[1, 2, 5, 10, 83, 166, 181, 362, 415, 541, 830, 905, 1082, 1810, 2705, 5410, 15023, 30046, 44903, 75115, 89806, 97921, 150230, 195842, 224515, 449030, 489605, 979210, 8127443, 16254886, 40637215, 81274430]

約数ペア:

[(1, 81274430), (2, 40637215), (5, 16254886), (10, 8127443), (83, 979210), (166, 489605), (181, 449030), (362, 224515), (415, 195842), (541, 150230), (830, 97921), (905, 89806), (1082, 75115), (1810, 44903), (2705, 30046), (5410, 15023)]