51768730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20959}}^1$

素因数の和:20998

約数の個数: 32

約数和(自身を含む): 105638400

約数和(自身を除く): 53869670

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 20959, 41918, 104795, 209590, 272467, 398221, 544934, 796442, 1362335, 1991105, 2724670, 3982210, 5176873, 10353746, 25884365, 51768730]

約数ペア:

[(1, 51768730), (2, 25884365), (5, 10353746), (10, 5176873), (13, 3982210), (19, 2724670), (26, 1991105), (38, 1362335), (65, 796442), (95, 544934), (130, 398221), (190, 272467), (247, 209590), (494, 104795), (1235, 41918), (2470, 20959)]