89049920

素因数分解:

$2^6\times 5^1\times {\mathrm{421}}^1\times {\mathrm{661}}^1$

素因数の和:1099

約数の個数: 56

約数和(自身を含む): 212875368

約数和(自身を除く): 123825448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 421, 661, 842, 1322, 1684, 2105, 2644, 3305, 3368, 4210, 5288, 6610, 6736, 8420, 10576, 13220, 13472, 16840, 21152, 26440, 26944, 33680, 42304, 52880, 67360, 105760, 134720, 211520, 278281, 556562, 1113124, 1391405, 2226248, 2782810, 4452496, 5565620, 8904992, 11131240, 17809984, 22262480, 44524960, 89049920]

約数ペア:

[(1, 89049920), (2, 44524960), (4, 22262480), (5, 17809984), (8, 11131240), (10, 8904992), (16, 5565620), (20, 4452496), (32, 2782810), (40, 2226248), (64, 1391405), (80, 1113124), (160, 556562), (320, 278281), (421, 211520), (661, 134720), (842, 105760), (1322, 67360), (1684, 52880), (2105, 42304), (2644, 33680), (3305, 26944), (3368, 26440), (4210, 21152), (5288, 16840), (6610, 13472), (6736, 13220), (8420, 10576)]