12152720

素因数分解:

$2^4\times 5^1\times {\mathrm{151909}}^1$

素因数の和:151922

約数の個数: 20

約数和(自身を含む): 28255260

約数和(自身を除く): 16102540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151909, 303818, 607636, 759545, 1215272, 1519090, 2430544, 3038180, 6076360, 12152720]

約数ペア:

[(1, 12152720), (2, 6076360), (4, 3038180), (5, 2430544), (8, 1519090), (10, 1215272), (16, 759545), (20, 607636), (40, 303818), (80, 151909)]