127538980

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{48679}}^1$

素因数の和:48819

約数の個数: 24

約数和(自身を含む): 269881920

約数和(自身を除く): 142342940

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 48679, 97358, 194716, 243395, 486790, 973580, 6376949, 12753898, 25507796, 31884745, 63769490, 127538980]

約数ペア:

[(1, 127538980), (2, 63769490), (4, 31884745), (5, 25507796), (10, 12753898), (20, 6376949), (131, 973580), (262, 486790), (524, 243395), (655, 194716), (1310, 97358), (2620, 48679)]