3947240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8971}}^1$

素因数の和:8993

約数の個数: 32

約数和(自身を含む): 9689760

約数和(自身を除く): 5742520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 8971, 17942, 35884, 44855, 71768, 89710, 98681, 179420, 197362, 358840, 394724, 493405, 789448, 986810, 1973620, 3947240]

約数ペア:

[(1, 3947240), (2, 1973620), (4, 986810), (5, 789448), (8, 493405), (10, 394724), (11, 358840), (20, 197362), (22, 179420), (40, 98681), (44, 89710), (55, 71768), (88, 44855), (110, 35884), (220, 17942), (440, 8971)]