67240420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{258617}}^1$

素因数の和:258639

約数の個数: 24

約数和(自身を含む): 152067384

約数和(自身を除く): 84826964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 258617, 517234, 1034468, 1293085, 2586170, 3362021, 5172340, 6724042, 13448084, 16810105, 33620210, 67240420]

約数ペア:

[(1, 67240420), (2, 33620210), (4, 16810105), (5, 13448084), (10, 6724042), (13, 5172340), (20, 3362021), (26, 2586170), (52, 1293085), (65, 1034468), (130, 517234), (260, 258617)]