51157520

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{27803}}^1$

素因数の和:27839

約数の個数: 40

約数和(自身を含む): 124117056

約数和(自身を除く): 72959536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 27803, 55606, 111212, 139015, 222424, 278030, 444848, 556060, 639469, 1112120, 1278938, 2224240, 2557876, 3197345, 5115752, 6394690, 10231504, 12789380, 25578760, 51157520]

約数ペア:

[(1, 51157520), (2, 25578760), (4, 12789380), (5, 10231504), (8, 6394690), (10, 5115752), (16, 3197345), (20, 2557876), (23, 2224240), (40, 1278938), (46, 1112120), (80, 639469), (92, 556060), (115, 444848), (184, 278030), (230, 222424), (368, 139015), (460, 111212), (920, 55606), (1840, 27803)]