201608420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{775417}}^1$

素因数の和:775439

約数の個数: 24

約数和(自身を含む): 455945784

約数和(自身を除く): 254337364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 775417, 1550834, 3101668, 3877085, 7754170, 10080421, 15508340, 20160842, 40321684, 50402105, 100804210, 201608420]

約数ペア:

[(1, 201608420), (2, 100804210), (4, 50402105), (5, 40321684), (10, 20160842), (13, 15508340), (20, 10080421), (26, 7754170), (52, 3877085), (65, 3101668), (130, 1550834), (260, 775417)]