100291025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1061}}^1$

素因数の和:1289

約数の個数: 24

約数和(自身を含む): 131688000

約数和(自身を除く): 31396975

約数列:

[1, 5, 19, 25, 95, 199, 475, 995, 1061, 3781, 4975, 5305, 18905, 20159, 26525, 94525, 100795, 211139, 503975, 1055695, 4011641, 5278475, 20058205, 100291025]

約数ペア:

[(1, 100291025), (5, 20058205), (19, 5278475), (25, 4011641), (95, 1055695), (199, 503975), (475, 211139), (995, 100795), (1061, 94525), (3781, 26525), (4975, 20159), (5305, 18905)]