5561960

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{659}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 12592800

約数和(自身を除く): 7030840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 659, 844, 1055, 1318, 1688, 2110, 2636, 3295, 4220, 5272, 6590, 8440, 13180, 26360, 139049, 278098, 556196, 695245, 1112392, 1390490, 2780980, 5561960]

約数ペア:

[(1, 5561960), (2, 2780980), (4, 1390490), (5, 1112392), (8, 695245), (10, 556196), (20, 278098), (40, 139049), (211, 26360), (422, 13180), (659, 8440), (844, 6590), (1055, 5272), (1318, 4220), (1688, 3295), (2110, 2636)]