260070920

素因数分解:

$2^3\times 5^1\times {\mathrm{6501773}}^1$

素因数の和:6501784

約数の個数: 16

約数和(自身を含む): 585159660

約数和(自身を除く): 325088740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6501773, 13003546, 26007092, 32508865, 52014184, 65017730, 130035460, 260070920]

約数ペア:

[(1, 260070920), (2, 130035460), (4, 65017730), (5, 52014184), (8, 32508865), (10, 26007092), (20, 13003546), (40, 6501773)]