161794240

素因数分解:

$2^6\times 5^1\times {\mathrm{505607}}^1$

素因数の和:505624

約数の個数: 28

約数和(自身を含む): 385273296

約数和(自身を除く): 223479056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 505607, 1011214, 2022428, 2528035, 4044856, 5056070, 8089712, 10112140, 16179424, 20224280, 32358848, 40448560, 80897120, 161794240]

約数ペア:

[(1, 161794240), (2, 80897120), (4, 40448560), (5, 32358848), (8, 20224280), (10, 16179424), (16, 10112140), (20, 8089712), (32, 5056070), (40, 4044856), (64, 2528035), (80, 2022428), (160, 1011214), (320, 505607)]