16754140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64439}}^1$

素因数の和:64461

約数の個数: 24

約数和(自身を含む): 37890720

約数和(自身を除く): 21136580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 64439, 128878, 257756, 322195, 644390, 837707, 1288780, 1675414, 3350828, 4188535, 8377070, 16754140]

約数ペア:

[(1, 16754140), (2, 8377070), (4, 4188535), (5, 3350828), (10, 1675414), (13, 1288780), (20, 837707), (26, 644390), (52, 322195), (65, 257756), (130, 128878), (260, 64439)]