201640763405

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{661}}^1\times {\mathrm{7841}}^1$

素因数の和:8789

約数の個数: 32

約数和(自身を含む): 251180891136

約数和(自身を除く): 49540127731

約数列:

[1, 5, 31, 155, 251, 661, 1255, 3305, 7781, 7841, 20491, 38905, 39205, 102455, 165911, 243071, 829555, 1215355, 1968091, 5143241, 5182901, 9840455, 25716205, 25914505, 61010821, 160669931, 305054105, 803349655, 1300908151, 6504540755, 40328152681, 201640763405]

約数ペア:

[(1, 201640763405), (5, 40328152681), (31, 6504540755), (155, 1300908151), (251, 803349655), (661, 305054105), (1255, 160669931), (3305, 61010821), (7781, 25914505), (7841, 25716205), (20491, 9840455), (38905, 5182901), (39205, 5143241), (102455, 1968091), (165911, 1215355), (243071, 829555)]