320173904

素因数分解:

$2^4\times {\mathrm{2207}}^1\times {\mathrm{9067}}^1$

素因数の和:11282

約数の個数: 20

約数和(自身を含む): 620686464

約数和(自身を除く): 300512560

約数列:

[1, 2, 4, 8, 16, 2207, 4414, 8828, 9067, 17656, 18134, 35312, 36268, 72536, 145072, 20010869, 40021738, 80043476, 160086952, 320173904]

約数ペア:

[(1, 320173904), (2, 160086952), (4, 80043476), (8, 40021738), (16, 20010869), (2207, 145072), (4414, 72536), (8828, 36268), (9067, 35312), (17656, 18134)]