2018643380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7764013}}^1$

素因数の和:7764035

約数の個数: 24

約数和(自身を含む): 4565240232

約数和(自身を除く): 2546596852

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7764013, 15528026, 31056052, 38820065, 77640130, 100932169, 155280260, 201864338, 403728676, 504660845, 1009321690, 2018643380]

約数ペア:

[(1, 2018643380), (2, 1009321690), (4, 504660845), (5, 403728676), (10, 201864338), (13, 155280260), (20, 100932169), (26, 77640130), (52, 38820065), (65, 31056052), (130, 15528026), (260, 7764013)]