12740624

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61253}}^1$

素因数の和:61274

約数の個数: 20

約数和(自身を含む): 26584236

約数和(自身を除く): 13843612

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 61253, 122506, 245012, 490024, 796289, 980048, 1592578, 3185156, 6370312, 12740624]

約数ペア:

[(1, 12740624), (2, 6370312), (4, 3185156), (8, 1592578), (13, 980048), (16, 796289), (26, 490024), (52, 245012), (104, 122506), (208, 61253)]