1274780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4903}}^1$

素因数の和:4925

約数の個数: 24

約数和(自身を含む): 2883552

約数和(自身を除く): 1608772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 4903, 9806, 19612, 24515, 49030, 63739, 98060, 127478, 254956, 318695, 637390, 1274780]

約数ペア:

[(1, 1274780), (2, 637390), (4, 318695), (5, 254956), (10, 127478), (13, 98060), (20, 63739), (26, 49030), (52, 24515), (65, 19612), (130, 9806), (260, 4903)]