528078920

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{84089}}^1$

素因数の和:84257

約数の個数: 32

約数和(自身を含む): 1195759800

約数和(自身を除く): 667680880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 84089, 168178, 336356, 420445, 672712, 840890, 1681780, 3363560, 13201973, 26403946, 52807892, 66009865, 105615784, 132019730, 264039460, 528078920]

約数ペア:

[(1, 528078920), (2, 264039460), (4, 132019730), (5, 105615784), (8, 66009865), (10, 52807892), (20, 26403946), (40, 13201973), (157, 3363560), (314, 1681780), (628, 840890), (785, 672712), (1256, 420445), (1570, 336356), (3140, 168178), (6280, 84089)]