89898080

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{5563}}^1$

素因数の和:5679

約数の個数: 48

約数和(自身を含む): 214525584

約数和(自身を除く): 124627504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 1010, 1616, 2020, 3232, 4040, 5563, 8080, 11126, 16160, 22252, 27815, 44504, 55630, 89008, 111260, 178016, 222520, 445040, 561863, 890080, 1123726, 2247452, 2809315, 4494904, 5618630, 8989808, 11237260, 17979616, 22474520, 44949040, 89898080]

約数ペア:

[(1, 89898080), (2, 44949040), (4, 22474520), (5, 17979616), (8, 11237260), (10, 8989808), (16, 5618630), (20, 4494904), (32, 2809315), (40, 2247452), (80, 1123726), (101, 890080), (160, 561863), (202, 445040), (404, 222520), (505, 178016), (808, 111260), (1010, 89008), (1616, 55630), (2020, 44504), (3232, 27815), (4040, 22252), (5563, 16160), (8080, 11126)]