82420420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{242413}}^1$

素因数の和:242439

約数の個数: 24

約数和(自身を含む): 183264984

約数和(自身を除く): 100844564

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 242413, 484826, 969652, 1212065, 2424130, 4121021, 4848260, 8242042, 16484084, 20605105, 41210210, 82420420]

約数ペア:

[(1, 82420420), (2, 41210210), (4, 20605105), (5, 16484084), (10, 8242042), (17, 4848260), (20, 4121021), (34, 2424130), (68, 1212065), (85, 969652), (170, 484826), (340, 242413)]