16494140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{63439}}^1$

素因数の和:63461

約数の個数: 24

約数和(自身を含む): 37302720

約数和(自身を除く): 20808580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 63439, 126878, 253756, 317195, 634390, 824707, 1268780, 1649414, 3298828, 4123535, 8247070, 16494140]

約数ペア:

[(1, 16494140), (2, 8247070), (4, 4123535), (5, 3298828), (10, 1649414), (13, 1268780), (20, 824707), (26, 634390), (52, 317195), (65, 253756), (130, 126878), (260, 63439)]