71540920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{162593}}^1$

素因数の和:162615

約数の個数: 32

約数和(自身を含む): 175601520

約数和(自身を除く): 104060600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 162593, 325186, 650372, 812965, 1300744, 1625930, 1788523, 3251860, 3577046, 6503720, 7154092, 8942615, 14308184, 17885230, 35770460, 71540920]

約数ペア:

[(1, 71540920), (2, 35770460), (4, 17885230), (5, 14308184), (8, 8942615), (10, 7154092), (11, 6503720), (20, 3577046), (22, 3251860), (40, 1788523), (44, 1625930), (55, 1300744), (88, 812965), (110, 650372), (220, 325186), (440, 162593)]