12950789540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49810729}}^1$

素因数の和:49810751

約数の個数: 24

約数和(自身を含む): 29288709240

約数和(自身を除く): 16337919700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 49810729, 99621458, 199242916, 249053645, 498107290, 647539477, 996214580, 1295078954, 2590157908, 3237697385, 6475394770, 12950789540]

約数ペア:

[(1, 12950789540), (2, 6475394770), (4, 3237697385), (5, 2590157908), (10, 1295078954), (13, 996214580), (20, 647539477), (26, 498107290), (52, 249053645), (65, 199242916), (130, 99621458), (260, 49810729)]