165702940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{637319}}^1$

素因数の和:637341

約数の個数: 24

約数和(自身を含む): 374744160

約数和(自身を除く): 209041220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 637319, 1274638, 2549276, 3186595, 6373190, 8285147, 12746380, 16570294, 33140588, 41425735, 82851470, 165702940]

約数ペア:

[(1, 165702940), (2, 82851470), (4, 41425735), (5, 33140588), (10, 16570294), (13, 12746380), (20, 8285147), (26, 6373190), (52, 3186595), (65, 2549276), (130, 1274638), (260, 637319)]