16293620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{643}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 39381888

約数和(自身を除く): 23088268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 362, 643, 724, 905, 1267, 1286, 1810, 2534, 2572, 3215, 3620, 4501, 5068, 6335, 6430, 9002, 12670, 12860, 18004, 22505, 25340, 45010, 90020, 116383, 232766, 465532, 581915, 814681, 1163830, 1629362, 2327660, 3258724, 4073405, 8146810, 16293620]

約数ペア:

[(1, 16293620), (2, 8146810), (4, 4073405), (5, 3258724), (7, 2327660), (10, 1629362), (14, 1163830), (20, 814681), (28, 581915), (35, 465532), (70, 232766), (140, 116383), (181, 90020), (362, 45010), (643, 25340), (724, 22505), (905, 18004), (1267, 12860), (1286, 12670), (1810, 9002), (2534, 6430), (2572, 6335), (3215, 5068), (3620, 4501)]