28743299720

素因数分解:

$2^3\times 5^1\times {\mathrm{2903}}^1\times {\mathrm{247531}}^1$

素因数の和:250445

約数の個数: 32

約数和(自身を含む): 64694963520

約数和(自身を除く): 35951663800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2903, 5806, 11612, 14515, 23224, 29030, 58060, 116120, 247531, 495062, 990124, 1237655, 1980248, 2475310, 4950620, 9901240, 718582493, 1437164986, 2874329972, 3592912465, 5748659944, 7185824930, 14371649860, 28743299720]

約数ペア:

[(1, 28743299720), (2, 14371649860), (4, 7185824930), (5, 5748659944), (8, 3592912465), (10, 2874329972), (20, 1437164986), (40, 718582493), (2903, 9901240), (5806, 4950620), (11612, 2475310), (14515, 1980248), (23224, 1237655), (29030, 990124), (58060, 495062), (116120, 247531)]