84374420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{324517}}^1$

素因数の和:324539

約数の個数: 24

約数和(自身を含む): 190816584

約数和(自身を除く): 106442164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 324517, 649034, 1298068, 1622585, 3245170, 4218721, 6490340, 8437442, 16874884, 21093605, 42187210, 84374420]

約数ペア:

[(1, 84374420), (2, 42187210), (4, 21093605), (5, 16874884), (10, 8437442), (13, 6490340), (20, 4218721), (26, 3245170), (52, 1622585), (65, 1298068), (130, 649034), (260, 324517)]