64000690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1583}}^1$

素因数の和:1914

約数の個数: 32

約数和(自身を含む): 124540416

約数和(自身を除く): 60539726

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 311, 622, 1555, 1583, 3110, 3166, 4043, 7915, 8086, 15830, 20215, 20579, 40430, 41158, 102895, 205790, 492313, 984626, 2461565, 4923130, 6400069, 12800138, 32000345, 64000690]

約数ペア:

[(1, 64000690), (2, 32000345), (5, 12800138), (10, 6400069), (13, 4923130), (26, 2461565), (65, 984626), (130, 492313), (311, 205790), (622, 102895), (1555, 41158), (1583, 40430), (3110, 20579), (3166, 20215), (4043, 15830), (7915, 8086)]