25916540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99679}}^1$

素因数の和:99701

約数の個数: 24

約数和(自身を含む): 58611840

約数和(自身を除く): 32695300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 99679, 199358, 398716, 498395, 996790, 1295827, 1993580, 2591654, 5183308, 6479135, 12958270, 25916540]

約数ペア:

[(1, 25916540), (2, 12958270), (4, 6479135), (5, 5183308), (10, 2591654), (13, 1993580), (20, 1295827), (26, 996790), (52, 498395), (65, 398716), (130, 199358), (260, 99679)]