263521960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{506773}}^1$

素因数の和:506797

約数の個数: 32

約数和(自身を含む): 638535240

約数和(自身を除く): 375013280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 506773, 1013546, 2027092, 2533865, 4054184, 5067730, 6588049, 10135460, 13176098, 20270920, 26352196, 32940245, 52704392, 65880490, 131760980, 263521960]

約数ペア:

[(1, 263521960), (2, 131760980), (4, 65880490), (5, 52704392), (8, 32940245), (10, 26352196), (13, 20270920), (20, 13176098), (26, 10135460), (40, 6588049), (52, 5067730), (65, 4054184), (104, 2533865), (130, 2027092), (260, 1013546), (520, 506773)]