87581240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{4139}}^1$

素因数の和:4196

約数の個数: 48

約数和(自身を含む): 206047800

約数和(自身を除く): 118466560

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 529, 920, 1058, 2116, 2645, 4139, 4232, 5290, 8278, 10580, 16556, 20695, 21160, 33112, 41390, 82780, 95197, 165560, 190394, 380788, 475985, 761576, 951970, 1903940, 2189531, 3807880, 4379062, 8758124, 10947655, 17516248, 21895310, 43790620, 87581240]

約数ペア:

[(1, 87581240), (2, 43790620), (4, 21895310), (5, 17516248), (8, 10947655), (10, 8758124), (20, 4379062), (23, 3807880), (40, 2189531), (46, 1903940), (92, 951970), (115, 761576), (184, 475985), (230, 380788), (460, 190394), (529, 165560), (920, 95197), (1058, 82780), (2116, 41390), (2645, 33112), (4139, 21160), (4232, 20695), (5290, 16556), (8278, 10580)]