2785480

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{839}}^1$

素因数の和:933

約数の個数: 32

約数和(自身を含む): 6350400

約数和(自身を除く): 3564920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 839, 1660, 1678, 3320, 3356, 4195, 6712, 8390, 16780, 33560, 69637, 139274, 278548, 348185, 557096, 696370, 1392740, 2785480]

約数ペア:

[(1, 2785480), (2, 1392740), (4, 696370), (5, 557096), (8, 348185), (10, 278548), (20, 139274), (40, 69637), (83, 33560), (166, 16780), (332, 8390), (415, 6712), (664, 4195), (830, 3356), (839, 3320), (1660, 1678)]