20132450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{659}}^1$

素因数の和:731

約数の個数: 48

約数和(自身を含む): 41247360

約数和(自身を除く): 21114910

約数列:

[1, 2, 5, 10, 13, 25, 26, 47, 50, 65, 94, 130, 235, 325, 470, 611, 650, 659, 1175, 1222, 1318, 2350, 3055, 3295, 6110, 6590, 8567, 15275, 16475, 17134, 30550, 30973, 32950, 42835, 61946, 85670, 154865, 214175, 309730, 402649, 428350, 774325, 805298, 1548650, 2013245, 4026490, 10066225, 20132450]

約数ペア:

[(1, 20132450), (2, 10066225), (5, 4026490), (10, 2013245), (13, 1548650), (25, 805298), (26, 774325), (47, 428350), (50, 402649), (65, 309730), (94, 214175), (130, 154865), (235, 85670), (325, 61946), (470, 42835), (611, 32950), (650, 30973), (659, 30550), (1175, 17134), (1222, 16475), (1318, 15275), (2350, 8567), (3055, 6590), (3295, 6110)]