252460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{971}}^1$

素因数の和:993

約数の個数: 24

約数和(自身を含む): 571536

約数和(自身を除く): 319076

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 971, 1942, 3884, 4855, 9710, 12623, 19420, 25246, 50492, 63115, 126230, 252460]

約数ペア:

[(1, 252460), (2, 126230), (4, 63115), (5, 50492), (10, 25246), (13, 19420), (20, 12623), (26, 9710), (52, 4855), (65, 3884), (130, 1942), (260, 971)]