7130140420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2109509}}^1$

素因数の和:2109544

約数の個数: 36

約数和(自身を含む): 16213693860

約数和(自身を除く): 9083553440

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 2109509, 4219018, 8438036, 10547545, 21095090, 27423617, 42190180, 54847234, 109694468, 137118085, 274236170, 356507021, 548472340, 713014042, 1426028084, 1782535105, 3565070210, 7130140420]

約数ペア:

[(1, 7130140420), (2, 3565070210), (4, 1782535105), (5, 1426028084), (10, 713014042), (13, 548472340), (20, 356507021), (26, 274236170), (52, 137118085), (65, 109694468), (130, 54847234), (169, 42190180), (260, 27423617), (338, 21095090), (676, 10547545), (845, 8438036), (1690, 4219018), (3380, 2109509)]