2008737520

素因数分解:

$2^4\times 5^1\times {\mathrm{277}}^1\times {\mathrm{90647}}^1$

素因数の和:90937

約数の個数: 40

約数和(自身を含む): 4687226784

約数和(自身を除く): 2678489264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 277, 554, 1108, 1385, 2216, 2770, 4432, 5540, 11080, 22160, 90647, 181294, 362588, 453235, 725176, 906470, 1450352, 1812940, 3625880, 7251760, 25109219, 50218438, 100436876, 125546095, 200873752, 251092190, 401747504, 502184380, 1004368760, 2008737520]

約数ペア:

[(1, 2008737520), (2, 1004368760), (4, 502184380), (5, 401747504), (8, 251092190), (10, 200873752), (16, 125546095), (20, 100436876), (40, 50218438), (80, 25109219), (277, 7251760), (554, 3625880), (1108, 1812940), (1385, 1450352), (2216, 906470), (2770, 725176), (4432, 453235), (5540, 362588), (11080, 181294), (22160, 90647)]