12742340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49009}}^1$

素因数の和:49031

約数の個数: 24

約数和(自身を含む): 28817880

約数和(自身を除く): 16075540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 49009, 98018, 196036, 245045, 490090, 637117, 980180, 1274234, 2548468, 3185585, 6371170, 12742340]

約数ペア:

[(1, 12742340), (2, 6371170), (4, 3185585), (5, 2548468), (10, 1274234), (13, 980180), (20, 637117), (26, 490090), (52, 245045), (65, 196036), (130, 98018), (260, 49009)]