87740900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67493}}^1$

素因数の和:67520

約数の個数: 36

約数和(自身を含む): 205046772

約数和(自身を除く): 117305872

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 67493, 134986, 269972, 337465, 674930, 877409, 1349860, 1687325, 1754818, 3374650, 3509636, 4387045, 6749300, 8774090, 17548180, 21935225, 43870450, 87740900]

約数ペア:

[(1, 87740900), (2, 43870450), (4, 21935225), (5, 17548180), (10, 8774090), (13, 6749300), (20, 4387045), (25, 3509636), (26, 3374650), (50, 1754818), (52, 1687325), (65, 1349860), (100, 877409), (130, 674930), (260, 337465), (325, 269972), (650, 134986), (1300, 67493)]